MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating malicious redirector links and an SEO link farm, suggesting a phishing or scam attempt. The primary redirector URL is `https://ttraff.com/wb?keyword=microservice%20patterns%20and%20best%20practices%20explore%20patterns%20like%20cqrs%20pdf`, which is designed to lure users to a malicious site. The ML classifier also strongly flagged this PDF as malicious.
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.com/wb?keyword=microservice%20patterns%20and%20best%20practices%20explore%20patterns%20like%20cqrs%20pdf In PDF document text
- http://files.catheymccrary.com/uploads/1/3/1/8/131871480/472de31.pdfIn PDF document text
- http://files.saveekuriforest.com/uploads/1/3/1/4/131484133/gusuzifigalora-wamasizaf-zexogavivaz-pebal.pdfIn PDF document text
- http://files.ohiopedologist.org/uploads/1/3/0/8/130813582/9879981.pdfIn PDF document text
- http://files.sparkleaycliffe.com/uploads/1/3/2/8/132815154/48f525d2551f243.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/1/0433/1310/2998/files/nafizikopirimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7453/3014/files/nonusub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/20151374530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7920/3992/files/88415483514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/90355363645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70474217151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5799/5160/files/68579740687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2873/2314/files/97004839967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2892/9947/files/wurafumolumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4074/3329/files/didoxivuwelabefeberaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7963/1012/files/domuderodinigot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6970/2306/files/11588559924.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9102/4280/files/vukinuxeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5923/3443/files/43275481361.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_off000068f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F7 | 5400 bytes |
SHA-256: 7efbea1c57c4060b68139af6e5d55a69542db1cf2f0b7ef693b0d73bd05a0906 |
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font_01_sfnt_off00007b5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B5E | 10324 bytes |
SHA-256: ae1b9dca651d79b458047dfc73b2e3dae76a63551938acd397ac8b3144d43ad0 |
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