MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious link identified is https://ttraff.ru/pify?keyword=alkane+nomenclature+practice+pdf, which is flagged as a malicious redirector. The document's structure and the presence of numerous links suggest a social engineering attempt to direct users to potentially harmful content.
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=alkane+nomenclature+practice+pdf In PDF document text
- http://files.janice-t.com/uploads/1/3/0/7/130776781/jemowo.pdfIn PDF document text
- http://bepaxunow.littlehorsevintage.com/uploads/1/3/0/7/130738902/vurup.pdfIn PDF document text
- http://files.wongpakhangs.com/uploads/1/3/2/7/132740637/jomoxakapukik.pdfIn PDF document text
- http://files.newzion-clearwater.org/uploads/1/3/0/7/130776368/kofovawa.pdfIn PDF document text
- http://files.insideoutraining.co/uploads/1/3/1/6/131606605/4424275.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/1/0428/5526/8518/files/16258392112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4647/6708/files/veranepasavewivosobasodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9070/5574/files/gafopiguwobebuxuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8491/3565/files/rejudomasisaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4418/3970/files/30405068235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0923/6374/files/86973876115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4000/4501/files/bigepolojipid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4683/8173/files/cambridge_academic_english_b1_teacher_s_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2076/2783/files/51112943976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8714/3839/files/81163148055.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8371/0117/files/ludigeso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6905/3854/files/22358118613.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8734/files/acls_study_guide_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8897/7815/files/vijamapokimowoxo.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004ec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EC3 | 5176 bytes |
SHA-256: 5cd1f1b5f511b4850aedf3c9065ad5323b53420edef1b05b53b4f8f69752afd2 |
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font_01_sfnt_off00006043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6043 | 9976 bytes |
SHA-256: 02a9915dc3b3a3c8bd2c7b34031c1fcd6e4fb171c7ff2f08d29798586d8a240c |
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