MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=archaic+words+dictionary+pdf'. This indicates the document's primary purpose is to lure users to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=archaic+words+dictionary+pdf In PDF document text
- http://files.suzannewandling.com/uploads/1/3/1/6/131606467/vabita-mezupexuwo.pdfIn PDF document text
- http://rorijiv.agefriendlybethel.org/uploads/1/3/1/3/131398351/8605098.pdfIn PDF document text
- http://files.pepperprep.com/uploads/1/3/2/3/132302916/ba289039c257540.pdfIn PDF document text
- http://files.penguinempirerobotics.org/uploads/1/3/0/8/130813314/29a76.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/1/0428/4248/8998/files/kinuratiwijamiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6649/1042/files/fujilejapopeniwakok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6372/1637/files/5880556978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3146/8951/files/97604894090.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2036/9567/files/david_klein_organic_chemistry_2nd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4722/3458/files/denedawijamewuvuxeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0141/1744/files/saving_private_ryan_script.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2938/8699/files/seguridad_y_defensa_nacional.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1153/7053/files/camberwell_assessment_of_need_for_the_elderly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8359/4917/files/fepivafozan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9614/9921/files/cyanobacteria_characteristics.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_off00006439.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6439 | 5064 bytes |
SHA-256: c96e96a1def00954480b41e0420077ea775f58341b333fc74871ce32507382c2 |
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font_01_sfnt_off0000756f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x756F | 9964 bytes |
SHA-256: fa08e2db7b2c07317f6fac613975767f99cf1bd4864613d28d4dca3b10c89047 |
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font_02_sfnt_off00009784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9784 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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