MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though partially corrupted, contains text related to a book download and the malicious URL, suggesting a social engineering lure. The primary attack vector appears to be directing users to malicious infrastructure via a deceptive link.
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=bikhre+moti+full+book+free+download+pdf In PDF document text
- http://jefatu.openboxm.com/uploads/1/3/0/7/130776031/3323377.pdfIn PDF document text
- http://xatisisis.electroskan.net/uploads/1/3/2/7/132740900/jawiri.pdfIn PDF document text
- http://files.morethanmeds.com/uploads/1/3/1/6/131606027/8902634.pdfIn PDF document text
- http://files.beautifulcardcompany.com/uploads/1/3/0/8/130814926/verolasibufagu_bizidomusoru.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/1/0433/0687/7080/files/95610310087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7088/1946/files/91847949936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/miparimuziv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7996/6628/files/xojudanobafubadojerifegok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3209/2573/files/circuits_2nd_edition_ulaby_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kenetawibonilolususede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6221/3273/files/1952121555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8118/6971/files/sitotakotifomedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/7550142799.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0425/5656/files/purilefaratukegig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6196/0091/files/2237078114.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9014/0572/files/acidos_organicos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0628/0355/files/padorif.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_off00005230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5230 | 5332 bytes |
SHA-256: e1d8832e10ea0902b378d2ea1f9ab04b0e280c81c6e2641056383cba1c6fe6be |
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font_01_sfnt_off0000642b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x642B | 9924 bytes |
SHA-256: 11f93f3b801565b0b62489936c153eff6fdd37d14ce119467985739be1411505 |
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font_02_sfnt_off00008640.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8640 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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