MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector, ttraff.com. The document body and heuristics suggest a lure for a 'skf bearing book pdf' to trick users into clicking the malicious link. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs supports a phishing or redirection attack.
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.com/pify?keyword=skf+bearing+book+pdf In PDF document text
- http://files.weareslta.org/uploads/1/3/2/3/132303082/8199502.pdfIn PDF document text
- http://files.lifeessencesllc.com/uploads/1/3/1/1/131164552/waterogef.pdfIn PDF document text
- http://files.mrtoddsclassroom.com/uploads/1/3/1/0/131070493/a2cea6a430.pdfIn PDF document text
- http://files.southerncww.com/uploads/1/3/0/7/130739699/dolulo.pdfIn PDF document text
- http://files.paulwoottenbooks.com/uploads/1/3/2/8/132815882/fugipokotifin_belul.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/1/0430/8510/3255/files/gaduk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5063/0297/files/89753125987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8131/0114/files/vadefudiwokepem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2165/5464/files/unable_to_add_text_to_document.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4183/9514/files/rockstar_social_club_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2306/4488/files/english_crossword_puzzles_with_answers_for_class_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9966/7099/files/19033234473.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5956/8027/files/desefevenolumusodabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4160/4263/files/50124525302.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1606/1091/files/samolilolabukewelexoxutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/62216205017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5278/5055/files/lumam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8176/7841/files/full_body_workout_routine_for_weight_loss.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_off00007dea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DEA | 5012 bytes |
SHA-256: 0c3bba4c59f139dc4ac6f0b794ba99234f14aac5c8815fd788244c08c1e4332b |
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font_01_sfnt_off00008ef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EF2 | 10484 bytes |
SHA-256: f0c11938f91c87a53e96840f8541168c0223224bbbf1dd60398b2b3d948e702d |
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font_02_sfnt_off0000b292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB292 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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