MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a critical heuristic for containing a malicious redirector link. Additionally, it was identified as a PDF SEO link farm, suggesting an attempt to distribute numerous links. The primary malicious IOC is the redirector URL, which is likely used to funnel users to a malicious destination. No scripts were extracted, and the document body was heavily obfuscated.
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=concrete+repair+materials+pdf In PDF document text
- http://files.trevorberensmusic.com/uploads/1/3/0/8/130874655/benifopepuzaxo.pdfIn PDF document text
- http://files.brittanynalangan.com/uploads/1/3/1/3/131383604/minalafidadup.pdfIn PDF document text
- http://files.islshenzhen.com/uploads/1/3/0/7/130740530/ruzuxiwenur.pdfIn PDF document text
- http://files.athan.com/uploads/1/3/0/8/130814169/tesor_gaviwe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/8453/0343/files/ay_papi_16.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90278046640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0910/6335/files/30529647499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6109/2255/files/60482624217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8028/6372/files/pefenozidagovopizukas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1618/3205/files/43577778750.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9217/3217/files/jeruxanewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8678/2369/files/30788592392.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/tejuwavalajogusim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1899/3307/files/26112643543.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4847/5541/files/binotizonimurizuvumuso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/soreluseloxajakikolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0903/2863/files/25387984790.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1624/1831/files/nikon_d50_manual.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B43 | 5112 bytes |
SHA-256: a0ba38b749898a645dfcf8a745f447d90717ff9329e96897b8826b57f73f5f10 |
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font_01_sfnt_off00007c7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C7E | 9964 bytes |
SHA-256: 15b9a86fab9f5482d78b23c2d0bec8bfee20618070e2a481767d62c2cfb73241 |
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font_02_sfnt_off00009e8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E8D | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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