MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a direct link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that is also present in the PDF's link farm. The presence of a password archive lure suggests that the PDF itself may be a decoy to facilitate the download of a password-protected malicious archive.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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=quimica+inorganica+atkins+4+edicion+pdf In PDF document text
- http://files.americanautoairspecials.com/uploads/1/3/1/1/131164520/kapozamilixema_rogomitezop_pejulakun.pdfIn PDF document text
- http://fupubi.donaldshoney.com/uploads/1/3/1/4/131437657/kegosedikow.pdfIn PDF document text
- http://files.lollipopranch.net/uploads/1/3/1/1/131164081/bakesolutovunaf.pdfIn PDF document text
- http://files.journey-woman2015.com/uploads/1/3/1/6/131606133/d1f66a0ebc17f7f.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/1/0433/9014/0581/files/dymo_labelwriter_400_turbo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0957/8904/files/life_death_and_meaning_david_benatar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9746/3714/files/kidobupupafologasojinar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2770/1655/files/38317999184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/webomobituwisumepepaxifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6770/3457/files/22927368929.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53940500656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7354/9974/files/52888067025.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4292/9821/files/58867318097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4505/1797/files/politique_sociale_dfinition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5090/1402/files/59436027794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8311/files/dijopupadani.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_off000068f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F8 | 5540 bytes |
SHA-256: beaa9632867dc24cb734eb2b8031e77e757f41251b36b783c324823696e7034f |
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font_01_sfnt_off00007bbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BBE | 10472 bytes |
SHA-256: 77965f95423677d7a39356ecceaed4049b21020b135105b1e079667396425dfb |
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font_02_sfnt_off00009f5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F5A | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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