MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious due to a large number of embedded links, many of which are part of a link farm likely intended for SEO manipulation or to redirect users to malicious content. The primary malicious redirector URL is https://ttraff.ru/pify?keyword=alkenes+pdf+download. While no scripts were extracted, the sheer volume of links and the critical heuristic firings strongly suggest a malicious intent, likely to lure users to compromised or malicious sites.
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=alkenes+pdf+download In PDF document text
- http://defoxaju.mgetsinslp.com/uploads/1/3/1/0/131070152/9945765.pdfIn PDF document text
- http://files.brightlikeblack.com/uploads/1/3/1/0/131070452/poveraxiw-pewalaru-tuduj.pdfIn PDF document text
- http://files.wisebloodbooks.com/uploads/1/3/1/4/131454262/tewumererovebip-rakijizuziris.pdfIn PDF document text
- http://jasotewe.cherylreed.net/uploads/1/3/1/0/131070109/dofiwaw_mokanelebegul_xutovoparam_kelinakujoge.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/1/0437/0087/9510/files/506_assignment_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/38442792030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0051/8040/files/bukotirepuwerila.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5684/0350/files/filumukadusigewabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/venom_song_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3170/8316/files/pubulolud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0101/1611/files/67386393402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4828/7904/files/60852103190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7562/4350/files/68346206356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/51742144392.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8898/6787/files/leduriz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45035229099.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_off0000649a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x649A | 4744 bytes |
SHA-256: 9468ce8f5a3a6685687bd7f889fb181f7df49d3ef9e0adedcf3979aa3e551e41 |
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font_01_sfnt_off000074d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74D5 | 10192 bytes |
SHA-256: 36deae13c2a80354a4dd0c4012286ea1d201cb1af667ba7cb4b8984ec09ecadb |
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font_02_sfnt_off000097bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97BC | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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