MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm. This suggests the primary purpose is to lure users to malicious sites. No scripts were extracted, limiting the analysis of specific execution behaviors.
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=chartered+accountant+logo In PDF document text
- http://files.victordelestre.com/uploads/1/3/1/4/131452838/fipirazuzoxiwupol.pdfIn PDF document text
- http://kesom.unilifeenglish.com/uploads/1/3/2/6/132683080/bijolaperupadu.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/1/0438/4777/8469/files/deredipumajodumegeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0521/3852/files/raxoxunosexorepomakor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7992/4893/files/dakovejizutelulidogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9201/6280/files/kikibigejibize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/3601/1678/files/illustrative_mathematics_algebra_1_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6842/2309/files/18215344958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4641/1167/files/artistic_photoshop_actions_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8631/5671/files/dizomekozaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9372/1255/files/l_anthropologie_sociale_et_culturelle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/guwitalebape.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
🗂 Part of campaign:
victordelestre.com
3 samples
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA2B | 4880 bytes |
SHA-256: a4f58cf1bcfe42e893018f1a8872e749e185efda26d857bc828ce7285dac9dbf |
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font_01_sfnt_off0000dab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB9 | 10952 bytes |
SHA-256: fabbfabe26456ba67bf52c19c54066deaf73fc9d54adbe4b85220548ab3b6184 |
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font_02_sfnt_off00010022.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10022 | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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font_03_sfnt_off00011537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11537 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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