MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one pointing to 'trafficel.ru', a domain flagged as unknown. Heuristics indicate a 'PDF_SEO_LINK_FARM' and 'ML_NYX_PDF_MALICIOUS', suggesting a malicious intent to redirect users. The presence of embedded URLs and the ClamAV detection further support a malicious classification, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://trafficel.ru/123?utm_term=language+course+in+czech+republic PDF link annotation
- https://buvupoxiku.weebly.com/uploads/1/3/4/3/134329971/27870d208f8c1.pdfIn PDF document text
- https://daletutanedura.weebly.com/uploads/1/3/1/6/131636587/sipewibuwuwaxo.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/3bea052b-0059-46ce-b674-a6e9fed4fa7e/65444866137.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fcca8aa7-9d29-4271-9b83-8e3a48ccba9d/20672974384.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4f31ae1-5f44-4ebd-ad88-57a9b4ed60da/zeronoloxupogov.pdfIn PDF document text
- https://s3.amazonaws.com/liwafo/words_starting_with_r_for_kids.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5146cbd14ff0dd2b7912f/t/5fcfcfc85dba994a4885855b/1607454665140/repair_master_3d_game.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc080f7bf71053ccb0e3c67/t/5fc3f54c173fb5383b1deae0/1606677837424/90238634704.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab0d8025-7cb1-4ba9-b210-663339506c0d/south_mountain_community_church_south_jordan.pdfIn PDF document text
- https://s3.amazonaws.com/fipijife/dunad.pdfIn PDF document text
- https://s3.amazonaws.com/posufij/iphone_6s_activation_lock_bypass_tool.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000113e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E6 | 5128 bytes |
SHA-256: 3834856de534bfe02cf8160539caa9c6f4b97cb0a68a5b39c060e9d29ec669b4 |
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font_01_sfnt_off00012546.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12546 | 3720 bytes |
SHA-256: b91f3c26f37c28538ed09035cbea6f9221827f1e30b50c452f08cc820bcc167b |
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font_02_sfnt_off000130a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130A9 | 11280 bytes |
SHA-256: e7280bffecf8efa95cf10bce9dda91415b5c18f73847d6ac3b8d7a7bbb59d4be |
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font_03_sfnt_off00015795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15795 | 16232 bytes |
SHA-256: 68eef4b610644b6a98f668349b58b424e8310755c20c018328a8321db0e17a89 |
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font_04_sfnt_off00016cf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CF9 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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