MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The presence of a callback lure heuristic further supports a phishing or scam-related attack pattern.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=adrian+paenza+matematica+para+todos+pdf In PDF document text
- http://jeketu.sheuniquephotography.com/uploads/1/3/2/6/132696414/mijuzeluruxuruwarapa.pdfIn PDF document text
- http://files.uicbcq.org/uploads/1/3/1/4/131454114/6177993.pdfIn PDF document text
- http://files.lagabriellacoffeeshop.com/uploads/1/3/0/8/130874254/3456499.pdfIn PDF document text
- http://files.mycorporatecounselor.com/uploads/1/3/0/7/130775921/4052286.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/1/0432/3062/5947/files/noretijidixul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0817/8845/files/75272689821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4054/6714/files/gugibilixa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5905/9615/files/foseberelojikazil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5335/1066/files/12461212104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8886/2614/files/xebagirofa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4873/9740/files/wejibegumapugeruner.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3258/7936/files/principles_of_molecular_virology_6th_edition_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jewaxepolirabosumasedud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5430/0312/files/dojopuwagikubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2779/9957/files/chief_keef_asap_rocky_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9930/8711/files/capitals_of_different_countries.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9013/0584/files/multivariate_analysis_of_variance_manova.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_off00005aa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AA0 | 5308 bytes |
SHA-256: f568bb093f626a4f7e0910bfddec1663392a20016d3f3803a932d70199ee07d6 |
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font_01_sfnt_off00006ca3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA3 | 11196 bytes |
SHA-256: 965aa24bcc36216bba1506412f393aa4d3db4a66e9e6dec7f3e6f746232cf0bd |
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