MALICIOUS
250
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text fragments that, combined with the heuristics, suggest a lure for phishing or malware download. The presence of numerous embedded links, including one pointing to `traffine.ru`, indicates an attempt to redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 8
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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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://traffine.ru/123?utm_term=associateresources+limitedbrands+com+aces+etm In PDF document text
- https://dubutabinagi.weebly.com/uploads/1/3/4/4/134441981/towuxoruvus.pdfIn PDF document text
- https://fenibelamej.weebly.com/uploads/1/3/4/4/134464240/waxujunuvimiwinik.pdfIn PDF document text
- https://vaferomesab.weebly.com/uploads/1/3/4/3/134351928/bbe3dbfd2518f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413835/normal_5f99793472327.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371788/normal_5f8b3fe54fc98.pdfIn PDF document text
- https://sojutobifedurex.weebly.com/uploads/1/3/4/5/134588439/jitifitifute.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391024/normal_5fa17013683d3.pdfIn PDF document text
- https://aces.limitedbrands.cIn 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/3718c349-e5c5-4226-ac2e-3a8c80b68053/75328236130.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afccfcf7-0795-44f9-adb8-275b3512b9ea/20358344088.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54d5863a-778c-4da8-a64d-421b300bdfe9/24701673898.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb6d2270-7819-4b34-b340-c3bfc37dbc93/59800022769.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00832e32-4cdf-4699-b477-4308505adbdf/9118725753.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c8ccf2e-6a11-4031-87d8-868cca5e20f1/geometry_angle_relationships_workshe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe905dac-04a9-4cfd-9481-c77c7eee87c7/sogupabuf.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_off0000e0b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B7 | 5096 bytes |
SHA-256: 124e261eda6e9c721dcee1f1c0afd71e2398239fc29694725d21a8cc64848dcc |
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font_01_sfnt_off0000f1e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E0 | 11100 bytes |
SHA-256: 9482680182bab789cb5b31a80243e86e976285f6a0c7b5ee5f861d60b93cbfd3 |
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font_02_sfnt_off0001175e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1175E | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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