MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting critical heuristic firings for malicious redirector links and a link farm. The embedded content, though partially obfuscated, suggests a lure related to 'imessage for android apk 2019', directing users to the malicious URL https://crophysi.ru/wix?keyword=imessage+for+android+apk+2019. This indicates a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crophysi.ru/wix?keyword=imessage+for+android+apk+2019 In PDF document text
- https://tugixafebav.weebly.com/uploads/1/3/2/6/132681891/178234.pdfIn PDF document text
- https://losiweso.weebly.com/uploads/1/3/1/3/131380476/vepaxemizami.pdfIn PDF document text
- https://wanibezitajijo.weebly.com/uploads/1/3/6/0/136000154/bomope.pdfIn PDF document text
- https://seguvixezamab.weebly.com/uploads/1/3/5/9/135961197/f0ac99053c1977.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/xijalovelokolep/how_long_did_ancient_greek_democracy_last.pdfIn PDF document text
- https://s3.amazonaws.com/lerezazo/cheat_game_minecraft_android_bahasa_indonesia.pdfIn PDF document text
- https://s3.amazonaws.com/paxivogedewilu/viper_alarm_remote_battery_died.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fedeae72-466a-4986-ba4e-6feef3e961de/cyberpower_cp1500avrlcd_intelligent_lcd_ups_system_manual.pdfIn PDF document text
- https://s3.amazonaws.com/tirimofufemukat/bitcoin_trading_platform_us.pdfIn PDF document text
- https://s3.amazonaws.com/gagotaniwipure/96719156330.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aaab78a5-2245-4bcf-b12b-361b9fea115e/68803987698.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/befc5713-b464-4d5a-a39b-812a64fc7afd/34129652755.pdfIn PDF document text
- https://s3.amazonaws.com/xixonu/moboraremali.pdfIn PDF document text
- https://s3.amazonaws.com/wamatasamegu/bootstrap_3_landing_page_template_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ab0528f-d641-451b-b408-5c341139249b/dexufuketikize.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4bafb8bc-494e-4921-9058-ffdae949ba9a/40950906312.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb262a9e-2767-40ef-a0ac-ba117287b165/how_do_you_say_it_will_be_ok_in_spanish.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ad7e4d3-af0a-4b88-b43c-b09511bd4c5d/by_default_excel_aligns_values.pdfIn PDF document text
- https://s3.amazonaws.com/dobikasukavu/91977392646.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f0becdc-3712-42ff-8cc8-0b550a6fd44d/kenneth_hagin_books_in_spanish.pdfIn PDF document text
- https://s3.amazonaws.com/feseni/clover_kanzashi_flower_maker_craft_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c156b4d7-8e1c-4a22-b83e-c8b554c6aa54/53992039113.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000106c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C9 | 5520 bytes |
SHA-256: c5ba1b03bf0739a1adb0f81d4841f9c494768721c3618cbab8c7a93995438b34 |
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font_01_sfnt_off0001196f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1196F | 11064 bytes |
SHA-256: d82ea8e2f107ec6f017eb7497adae605156509a853f7cb3e23394e1ca50a6880 |
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font_02_sfnt_off00013f58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F58 | 16060 bytes |
SHA-256: 2173a1880e9f774f759393e7d0d28dda91d04d8a3eae6bea41b822770b343b90 |
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font_03_sfnt_off000153ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153EF | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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