MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the URL 'https://ttraff.ru/pify?keyword=modern+high+end+valve+amplifiers+pdf', suggesting a lure to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the malicious redirector. No scripts were extracted from this sample.
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.ru/pify?keyword=modern+high+end+valve+amplifiers+pdf In PDF document text
- http://files.lifeinthetumbleweeds.com/uploads/1/3/0/7/130775859/texobogoxemikuj-siwovupi.pdfIn PDF document text
- http://files.campfirequilts.com/uploads/1/3/2/8/132814276/fb44c161db710.pdfIn PDF document text
- http://files.anglersarsenaltx.com/uploads/1/3/1/8/131871725/9375144.pdfIn PDF document text
- http://files.talking-feet.com/uploads/1/3/1/3/131384424/6976648.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/1/0431/6394/3067/files/warigedadorusiropekezoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6451/7023/files/89309924562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1779/6764/files/c_naming_conventions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8996/9820/files/kindle_fire_hd_8_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5543/0309/files/university_calculus_early_transcendentals_3rd_edition_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/0822/4414/files/download_tucka_candyland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31492874922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/4429/5076/files/null_pointer_borderlands_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6879/0686/files/29746878187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1442/2677/files/51972928590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4167/6694/files/perpajakan_brevet_a_dan_b.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80084587067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2476/9436/files/piwiriwofiguludisenili.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_off00004d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D93 | 5228 bytes |
SHA-256: 7c6208c95e953ca300197a8f2fea76ce6a06256f896157a9b6d6140957500022 |
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font_01_sfnt_off00005f2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F2F | 10632 bytes |
SHA-256: f670855929a980f2af09e50d0d425a7b8fd201081184e34ff21abc88836ff400 |
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font_02_sfnt_off00008394.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8394 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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