MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL found in the redirector heuristic. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm intended to manipulate search engine results or distribute further malicious content. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.cc/wix?keyword=short+pump+middle+school+instagram In PDF document text
- http://files.cbcseward.com/uploads/1/3/0/8/130874015/bopafejupor.pdfIn PDF document text
- http://files.thefamilyfido.com/uploads/1/3/2/7/132740637/1901223.pdfIn PDF document text
- http://negagu.genpromotion.nl/uploads/1/3/0/7/130740117/600100221f.pdfIn PDF document text
- http://files.learninglandscapes-frlt.org/uploads/1/3/2/6/132681579/mavuganudepiv-kusowekabelat-mokusexasokuni.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2621/7120/files/24421992976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1123/4197/files/bible_study_on_fasting_and_prayer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0582/8520/files/7814027917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3905/5253/files/niwijesuvilesopigowiwaxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/3347/3702/files/rupaul_drag_race_season_6_torrent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0470/6153/2840/files/platform_business_model_mckinsey.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0767/1447/files/14692315792.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6871/8233/files/meleriwoxoboraxeroz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/8793/7955/files/55318484994.pdfIn PDF document text
- https://0187f6a6-c53d-4518-a3b0-c8118953ac38.filesusr.com/ugd/ce4b7c_c6f13cbe6b3e4dce9cbade8f778005d2.pdf?index=trueIn PDF document text
- https://9e66caa5-4b86-46bd-8a93-a578606340b8.filesusr.com/ugd/33c377_10832399cfd8463d8220c8073b9f735f.pdf?index=trueIn PDF document text
- https://89b02ced-4e6c-48a2-b35b-74a51b07a51f.filesusr.com/ugd/485053_538a96c0f6324b6daa791ae966035262.pdf?index=trueIn PDF document text
- https://250520c7-9e3a-41e8-8049-cfc8b9c14ad8.filesusr.com/ugd/54dfea_cd41543202f04027bc304071f93d69c9.pdf?index=trueIn PDF document text
- https://a9cb9006-f232-45f3-a26f-ac7dec4fcf69.filesusr.com/ugd/d90490_51e547d12dbd49dab5b43096e0c09687.pdf?index=trueIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000613d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613D | 5592 bytes |
SHA-256: 40684fb8ef996cf42ec688465d974cd246ccbeef33c35d86e58631db918dd446 |
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font_01_sfnt_off0000740e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x740E | 9836 bytes |
SHA-256: 026ec31633c1693d92dd3c24aba7505d2b824d35bc0a46bd90504d68bdc0bb32 |
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