MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and SEO link farming, pointing to a phishing or malware distribution scheme. The document body includes a URL that redirects to a known malicious redirector, suggesting the primary goal is to lead the user to a harmful site. The presence of numerous external PDF links further supports the SEO link farm tactic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.com/pify?keyword=three+column+cash+book+problems+and+solutions+pdf In PDF document text
- http://files.questadolcevita.com/uploads/1/3/0/8/130873932/12fc7c.pdfIn PDF document text
- http://files.america1funding.com/uploads/1/3/1/3/131398547/juboxom-mijesesudova-lubiguregi-zifege.pdfIn PDF document text
- http://files.littlebitofheavenadoptionreferral.com/uploads/1/3/0/7/130775813/741b3.pdfIn PDF document text
- http://files.qstreetband.com/uploads/1/3/0/9/130969080/jakusafi.pdfIn PDF document text
- http://files.holosterra.com/uploads/1/3/1/6/131606059/dopabavi_jerupefo_wunufupezotagu.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/1/0433/0687/7080/files/mupuxisupevijerabufogete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6284/5859/files/futifivaronivajifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7813/1611/files/xonokafilolol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4395/3563/files/my_crown_fell_off_can_i_eat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5129/4619/files/xolajugenezawawetesef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4695/9261/files/mumofefoxaxedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3128/1312/files/lotuzurewodeme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/ramaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6180/4198/files/6442820030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4907/3312/files/zisesadumakef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6972/6110/files/tufarumusigogenop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0401/0389/files/2577340270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53059057271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2674/9339/files/skyrim_hrothmund_s_barrow.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_off00007684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7684 | 5548 bytes |
SHA-256: f7625689a18a6dd12edac9f36287e0dec57909b80b76b762392588d1a1b62b74 |
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font_01_sfnt_off0000892f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x892F | 10256 bytes |
SHA-256: 8bde729e5e22d928b1995e45a6effcf0a3204a804569cdd1ce5c2401e0cc2a3f |
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