MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a link farm and a direct link to a known malicious redirector, disguised as a guide for printing HTML to PDF. The ML classifier strongly indicated maliciousness. The document body itself is heavily obfuscated but contains the malicious URL and several benign-looking URLs hosted on Shopify, likely for SEO poisoning or to appear legitimate. No scripts were extracted, but the primary attack vector is the malicious redirector.
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.ru/pify?keyword=comment+imprimer+une+page+html+en+pdf In PDF document text
- http://files.lisasturm.com/uploads/1/3/0/8/130874612/negiligag-welibugusug-fezudagelavibel.pdfIn PDF document text
- http://files.northdeltasunfish.ca/uploads/1/3/0/7/130775441/maxidukodogi-nofuligiwe-sezutofepi.pdfIn PDF document text
- http://files.musicandartattrinity.org/uploads/1/3/0/8/130813511/waxikij_zimolot_teduvidu.pdfIn PDF document text
- http://files.turlocktransit.com/uploads/1/3/1/4/131406732/6218c.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://cdn.shopify.com/s/files/1/0434/9159/0308/files/26493984112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2860/9186/files/anaconda_python_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5136/0164/files/maxudoxox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2745/5400/files/xezigurixurab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/juditomuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8933/0330/files/legubodumekug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4887/6697/files/prefix_and_suffix_worksheet_for_grade_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5404/7137/files/zewefapoferamixuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1909/8522/files/62000817497.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7439/6058/files/3721948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/raguzobegugovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7270/7990/files/xejogisorinejimetogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xidegafizupewutuzu.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_off0000699c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x699C | 5184 bytes |
SHA-256: cc9fa03293c5d42d302b43cd2ac83ad8e84a730d9a37418b169c105b9042b310 |
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font_01_sfnt_off00007b0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B0B | 11520 bytes |
SHA-256: 91cd315307c936a96063c2e09705a7f8b9572fbd5a163a99715b71835d9eb1cf |
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font_02_sfnt_off0000a025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA025 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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