MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic indicating it links to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for downloading an academic PDF. This URL, 'https://ttraff.cc/pify?keyword=actuarial+mathematics+for+life+contingent+risks+2nd+edition+pdf+download', redirects to potentially harmful content. The presence of numerous other PDF links, many hosted on cdn.shopify.com, suggests a link farm designed to obscure 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.cc/pify?keyword=actuarial+mathematics+for+life+contingent+risks+2nd+edition+pdf+download In PDF document text
- http://files.karinridgers.me/uploads/1/3/2/6/132681812/kipuxisaxajalabise.pdfIn PDF document text
- http://files.saravongillern.com/uploads/1/3/2/3/132302824/7244669.pdfIn PDF document text
- http://volekuj.kriti-jain.com/uploads/1/3/0/7/130739592/muguvefopu.pdfIn PDF document text
- http://fukukapej.empiresafetysolutions.com/uploads/1/3/1/4/131438641/rexejijoxun.pdfIn PDF document text
- http://files.college-conference.com/uploads/1/3/1/3/131382491/rurufawexixesug.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/1/0439/1829/5195/files/physiopathologie_menace_d_accouchement_prmatur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0357/4432/files/suffixes_worksheets_for_grade_6.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3476/2664/files/32067046394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2342/3912/files/fidodulutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1692/8923/files/the_nines_cast.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2843/8440/files/sirizoxija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5139/2922/files/zarabujinovemojuzugisakiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1345/6550/files/80757912704.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4977/7312/files/22754919863.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0877/7637/files/63840290239.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1782/2620/files/sumuxunaxowukokoleb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/lejum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2888/1318/files/30110808337.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9456 | 5848 bytes |
SHA-256: e5034575aef038d36e264e2c00540218a321fab9980e1272ad7a7e358f5a08dd |
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font_01_sfnt_off0000a82a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA82A | 14840 bytes |
SHA-256: ecb036278d8312678889e1fe1584697abf7a540e7dcf961af3a094a784532a6e |
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