MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with at least one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate that the document is designed to lead users to external, potentially harmful sites. The primary malicious URL identified is https://ttraff.ru/pify?keyword=formbuilder+custom+validator. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the link farm and redirector strongly suggest a phishing or scam attempt.
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=formbuilder+custom+validator In PDF document text
- http://viluza.boothandrichlandboutique.com/uploads/1/3/2/8/132814930/6154790.pdfIn PDF document text
- http://files.leadersindustries.com/uploads/1/3/1/6/131606719/gotobot.pdfIn PDF document text
- http://files.anewagingmovement.com/uploads/1/3/0/9/130968994/tixozijewu_palezuwane_zowat.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/1/0428/1332/5471/files/71238584727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/koxumugude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6329/5646/files/99247633550.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7980/2782/files/60915420859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3935/7093/files/chloroacetyl_chloride_msds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7417/5644/files/hungry_caterpillar_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2153/9240/files/a4_inkjet_magnetic_paper_sheet_gloss.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0727/0297/files/46530833498.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6271/4773/files/dichiarazione_sostitutiva_dell_atto_di_notoriet_compilabile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7166/7352/files/jowar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9865/1288/files/gagugitugujibotaton.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6436/0100/files/minecraft_team_extreme_launcher.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8759 | 5240 bytes |
SHA-256: cbb2fdee9c23b92124204ea4e3ef267aa48947d821107394bf36d875e135ddf0 |
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font_01_sfnt_off0000990e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x990E | 3368 bytes |
SHA-256: 800b3f4bb0b69a2b9df867b5b78b74591b0a007804f09584c08ddaf9515c7b00 |
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font_02_sfnt_off0000a6a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6A4 | 16648 bytes |
SHA-256: 3aec059cc763009a21c76705e0a9be02a48c09661dcbed53d525e20417afd312 |
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font_03_sfnt_off0000daba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDABA | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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