MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious Link
T1566 Phishing
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or redirection strategy. One critical heuristic indicates a malicious redirector link, and another highlights a 'browser extension/update installation lure' social engineering tactic. The document body, though heavily obfuscated, contains text related to 'phishing email templates html' and includes the malicious redirector URL, reinforcing the phishing lure. The primary malicious IOC is the redirector URL, which likely leads to a further stage of the attack.
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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=phishing+email+templates+html In PDF document text
- http://wewifow.therapistsmap.com/uploads/1/3/0/8/130814328/8530a706.pdfIn PDF document text
- http://pafudinun.406northvbclub.com/uploads/1/3/1/4/131483138/wipon.pdfIn PDF document text
- http://files.michaelchekhovcanada.com/uploads/1/3/1/4/131453036/87460ba.pdfIn PDF document text
- http://files.catherinegriffith.com/uploads/1/3/0/7/130774993/9f562d57e262236.pdfIn PDF document text
- http://joxoki.fbcpercy.com/uploads/1/3/1/3/131384714/5649590.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/1/0432/3246/0960/files/zefukozew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3171/4202/files/2678773358.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1596/8667/files/lubepawepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/75027143534.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6483/3686/files/93688890211.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/50306279194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4301/9159/files/technical_drawing_12th_edition_giesecke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3331/9831/files/73109913789.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2732/5343/files/libate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4672/1946/files/18594820811.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1369/1799/files/ramoxulolunedimumaxiwad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2883/0632/files/54275028048.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_off00006b66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B66 | 5136 bytes |
SHA-256: 8c61272468d9a7666faa0356892dca722bfabff948842076057e4a28b89d93f8 |
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font_01_sfnt_off00007cb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CB0 | 10212 bytes |
SHA-256: 57e91e88256c7f18fc4bf9d9cd42bbac1125a06a0306949484d749613d508858 |
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