MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as an SEO link farm and an image lure linking to an SEO redirector, specifically pointing to 'https://seumenha.ru/strik?utm_term=how+to+wind+a+bobbin+on+old+singer+machine'. This suggests the document is designed to redirect users to a malicious site, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://seumenha.ru/strik?utm_term=how+to+wind+a+bobbin+on+old+singer+machine PDF link annotation
- http://dolijajoz.22web.org/driving_test_signs_sheet.pdfIn PDF document text
- https://modefijibig.weebly.com/uploads/1/3/6/0/136011483/xaximenelolavis_mobajifupe_vagadu.pdfIn PDF document text
- http://xawuzina.iblogger.org/biography_of_apj_abdul_kalam_in_english.pdfIn PDF document text
- https://xukizawumu.weebly.com/uploads/1/3/1/3/131380236/4748388.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/jedadokuti/co-_parenting_plan_template.pdfIn PDF document text
- https://s3.amazonaws.com/ragejufa/68618530480.pdfIn PDF document text
- https://4abf464d-34d5-4c80-8de5-e64f30e04530.filesusr.com/ugd/8b3eb5_c6636f637c7e4531a686968ba76b4606.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zaxawetawupo/the_sunset_limited_book.pdfIn PDF document text
- https://s3.amazonaws.com/zabejuvijolu/pijevigatobixivudorad.pdfIn PDF document text
- https://ae26bae5-b1f3-4fb2-a0ba-5d2f2d23988c.filesusr.com/ugd/aec2ea_e9c6d5262257461faf919113086d4bb4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/safenalavojuwu/nipulofezogijigos.pdfIn PDF document text
- https://df1882fa-13c5-42f1-8438-577935b594b9.filesusr.com/ugd/91932b_199f8fb79b1f41c29a3c513ba06c0383.pdf?index=trueIn PDF document text
- https://9170d309-caca-4186-8987-bf6b40ce219c.filesusr.com/ugd/baef12_1fc60470ba3846f585ae16b0abdae7dc.pdf?index=trueIn PDF document text
- http://saxisokabazewot.rf.gd/how_do_you_calibrate_a_polder_digital_thermometer.pdfIn PDF document text
- http://sufutogikid.rf.gd/income_guidelines_for_food_stamps_in_tennessee.pdfIn PDF document text
- https://cccd2283-d272-450a-840b-6541230ebad2.filesusr.com/ugd/5de1df_c429cfef96344d0ab5c6b7cc97f8453b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/resabomibogodaw/multiple_project_tracking_template_excel_xls.pdfIn PDF document text
- http://sinoragafinef.epizy.com/suvudodopixupiguzipu.pdfIn PDF document text
- https://78e27e65-9996-4239-a63d-7a21722db537.filesusr.com/ugd/03f576_973ddf3f0b464b838cec241dce4c2bc2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fatisake/alchemist_leeds_menu.pdfIn PDF document text
- https://s3.amazonaws.com/xoxaneral/tosaxapigabafomuwibudato.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_off0000eefe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEFE | 5332 bytes |
SHA-256: 4555eeb1216b4ec7e08a693aa6e8f03db4f13426c51da9a9f2041eef96471eae |
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font_01_sfnt_off000100f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F7 | 10608 bytes |
SHA-256: 03e98f563b0712321cb853346c761641c108ed5cf16214d2dddf149bd8ffc5e3 |
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font_02_sfnt_off00012548.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12548 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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