MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and a link farm, with a high ML classifier score. The document body, though heavily obfuscated, contains a URL that aligns with the observed malicious redirector. The primary attack vector appears to be a phishing lure, likely distributed as an attachment, directing users to a malicious site for potential credential harvesting or further malware delivery.
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) or Microsoft license-boilerplate 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.com/pify?keyword=yoga+outlet+coupon In PDF document text
- http://files.firstspeakers.ca/uploads/1/3/0/9/130969139/6140092.pdfIn PDF document text
- http://files.shesprettycrafty.net/uploads/1/3/2/7/132710491/faxovodonoroxufokad.pdfIn PDF document text
- http://files.thenorthwoodsnews.com/uploads/1/3/0/8/130874043/4747433.pdfIn PDF document text
- http://files.liic.org/uploads/1/3/0/7/130738719/tasowog.pdfIn PDF document text
- http://files.susieandnathanmusic.com/uploads/1/3/2/7/132740377/zupobapol.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/1/0433/0687/7080/files/34007792176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3023/9637/files/vevudanorawexodiravoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/south_park_minecraft_episode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9281/1681/files/lasasovobalafozeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/golalebilafofuzugetuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7193/0519/files/88327867362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6627/8556/files/17458800129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/96963618003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6961/1932/files/39659251885.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3059/3186/files/4501836601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3722/1276/files/87983271536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4314/4359/files/37068026358.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_off000099f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99F2 | 4788 bytes |
SHA-256: 929e64e6d93e9317eadddf9a923a2183103dd9464316bea5375fcc4f1473ab31 |
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font_01_sfnt_off0000aa58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA58 | 11080 bytes |
SHA-256: a51ae14ed251181d6e0eb342103357f051a8e2cb8d8b0187730553c887209b9c |
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