MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the redirector. The primary purpose appears to be directing users to potentially harmful content through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 6
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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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.ru/pify?keyword=tabletop+simulator+nexus.
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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://ttraff.ru/pify?keyword=tabletop+simulator+nexus In PDF document text
- http://files.tourdestreescanada.com/uploads/1/3/1/4/131406372/gaxemafajemugudop.pdfIn PDF document text
- http://files.glowingglassstudio.com/uploads/1/3/2/6/132681560/646188.pdfIn PDF document text
- http://files.acucenter-richmond.com/uploads/1/3/0/7/130738719/fa28bd958.pdfIn PDF document text
- http://files.longbacken.com/uploads/1/3/0/7/130776536/6991455.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.fontrix.comhttp://www.nhncorp.comIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/6803/1143/files/nilegodokipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3485/4051/files/14694069395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7157/8024/files/delugesitowewalu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34597476450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2881/4741/files/seveze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51851907441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2718/5309/files/72842645167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/49140959008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/31297044611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6694/9799/files/32313443626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2652/9956/files/54305629250.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000170fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170FA | 5004 bytes |
SHA-256: a44e8d701713c5bbab63b3715633508678ebbfa8221064e28b8e97a440f56e36 |
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font_01_sfnt_off000181e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x181E0 | 11252 bytes |
SHA-256: 25bd4bf81cbff9493a71a169fa69cc0b909ee0ca5ef9841aa9620cb39c2dd16a |
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font_02_sfnt_off0001a85e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A85E | 2944 bytes |
SHA-256: 8b6580eb7e18fde2b368b9fa166a7c4083fb741d140892367d10ed76c63f30df |
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font_03_sfnt_off0001b393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B393 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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