MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this, and 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm or SEO manipulation tactic. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body is heavily obfuscated, preventing a deeper analysis of the lure.
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=epidemiologia+em+servi%25C3%25A7os+de+sa%25C3%25BAde+pdf In PDF document text
- http://files.miortuk-alaskan-husky-kennel.com/uploads/1/3/2/6/132682829/xidowipew.pdfIn PDF document text
- http://files.eberharddesign.com/uploads/1/3/0/8/130814397/44f6039.pdfIn PDF document text
- http://files.thesingingsommelier.com/uploads/1/3/1/3/131397946/warilase.pdfIn PDF document text
- http://files.tualatindar.org/uploads/1/3/1/4/131453636/vidonar_sizusuratenaka_goravobefo_puribevunurev.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://scripts.sil.orgThisIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1241/3851/files/mazobomarebonixivup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6761/2063/files/4622246675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/11613556042.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0916/0862/files/daxolitoroxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jakenetukuzalavat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8757/4678/files/judigefizipubowativ.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8307/1642/files/81277622636.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6572/9429/files/6057294230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5425/9606/files/62615114750.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nelafujadodejofit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7173/2889/files/86882032408.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://scripts.sil.org/In PDF document text
- http://scripts.sil.org/OFLAbyssinicaIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012bf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BF6 | 5280 bytes |
SHA-256: eb5972aaab6677cc9002368dbfec3534e90dc59b287ab8c581cced50e546a740 |
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font_01_sfnt_off00013df5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DF5 | 21140 bytes |
SHA-256: 306c58f2e5cdbebb27f202f03c3d8180283836edb2db9d377703740f84855339 |
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font_02_sfnt_off00015eb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EB2 | 13576 bytes |
SHA-256: 38810129ad223d626905012e82235c7e2e8150ef7c3f51329e312a3ad008b65a |
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