MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=microbiological+assay+of+antibiotics+and+vitamins+pdf'. This redirector is likely used to obscure the final malicious destination. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to attract victims. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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/pify?keyword=microbiological+assay+of+antibiotics+and+vitamins+pdf In PDF document text
- http://files.damianshishkin.com/uploads/1/3/0/8/130813859/e5d96fc1613c.pdfIn PDF document text
- http://files.ohmylashuk.co.uk/uploads/1/3/1/4/131452750/605191c5a7da.pdfIn PDF document text
- http://wujon.milfordmagic.com/uploads/1/3/0/8/130814328/5478509.pdfIn PDF document text
- http://files.chino77thcavalry.com/uploads/1/3/1/8/131857920/ea060c9a4.pdfIn PDF document text
- http://files.noeleencosgrovemusic.com/uploads/1/3/1/3/131398308/luterejokari-domejisanululor-tozaxubirofox-jifukisatusiki.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/1/0433/9322/0775/files/annotatings_in_onenote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/92243172254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8468/3166/files/22681214339.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8765/0211/files/vezokinojasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9067/3813/files/meririsobuvojavexiwolimaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/31140053382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4852/5206/files/90295808971.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7433/8454/files/fujamoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8178/4726/files/las_referencias_bibliograficas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/28992657875.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2571/8678/files/fukeferekesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5695/4518/files/jalixoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0845/6861/files/27097421610.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wojilezufaguxulidumusad.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_off00006f16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F16 | 5780 bytes |
SHA-256: e2e8b83898e3fcdbdae8ab4c9191a494f15ee3217c4adf73bacb89dc9c0f0089 |
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font_01_sfnt_off000082ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82BA | 10040 bytes |
SHA-256: e837248a2c6f3563d385da197702063c87f6a461c8337f85fbbf31f0d26d952c |
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