MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common tactic for SEO link farms and phishing lures. The primary URL, 'https://infrive.ru/pbw?utm_term=an1+free+fire+hack', suggests a phishing attempt disguised as a game hack. The ClamAV detection and ML classifier further indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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External URI info PDF_URIPDF contains an external URL action
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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://infrive.ru/pbw?utm_term=an1+free+fire+hack PDF link annotation
- https://cdn-cms.f-static.net/uploads/4447915/normal_602ef1522356a.pdfIn PDF document text
- https://pusoguxararafog.weebly.com/uploads/1/3/4/5/134593470/2065153.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484103/normal_5fee0b0888960.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393489/normal_5fe2ce43b85ab.pdfIn PDF document text
- https://nutakofo.weebly.com/uploads/1/3/4/8/134894975/3467576.pdfIn PDF document text
- https://japapitamamevoj.weebly.com/uploads/1/3/2/7/132740309/ripajojevegonotamob.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380522/normal_601b44f5c9632.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368246/normal_602264617968f.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://uploads.strikinglycdn.com/files/6f26194c-1ffe-40bd-b37c-f70e3c6baf3a/clash_of_clans_pc_mod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb3bfed5-7fd9-4b16-ba52-792cb2878a38/free_discord_members.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3c740fb-d7de-4ae0-97a6-1c16781f1fbf/will_there_be_a_sequel_to_the_betrothed_by_kiera_cass.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd5af8a6-0785-47b5-b5b1-3f4031c10f92/how_to_use_canon_600ex-rt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8fd7e46-866c-4012-ab33-4147fe0a8f5a/loliwogovu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d59d2dd-d3d0-4ed4-a938-6e9cc2617318/10500135119.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee77263e-b9fc-45ea-a90e-dda1c59dd96b/68217267845.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b205c446-c45a-4c43-a2e4-c3209c8fab27/sandisk_clip_sport_audible_aktivieren.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/734adc59-577f-418d-a00f-8a99c19a1d0e/byron_don_juan_canto_ii.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b4be5cb-3a15-4571-abb9-823e392216c1/zemanava.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffb4ef8e-bce2-4cab-89e1-bbeff523662d/how_many_50_shades_of_grey_movies_are_there_going_to_be.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/391315e7-33d1-4398-83c8-bb584945ba9b/52078397143.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2FF | 4460 bytes |
SHA-256: 9c30e8e7d83f4e9369b2cab0dc1c7cd626cfaa3e80a9297a57099fc92f8ad24a |
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font_01_sfnt_off0000f205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF205 | 10956 bytes |
SHA-256: 118f79171fb0298e3c328d1bc4b497eac61b5ec63b6380a7eb9868a44616fc1e |
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font_02_sfnt_off0001175b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1175B | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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