MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.cc/pify?keyword=skf+journal+bearing+pdf'. The document body, though heavily obfuscated, contains this URL and other links to Shopify-hosted PDFs, suggesting a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to 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.cc/pify?keyword=skf+journal+bearing+pdf In PDF document text
- http://files.ippconnect.com/uploads/1/3/1/4/131406977/9381830.pdfIn PDF document text
- http://files.phaselinedefense.com/uploads/1/3/0/7/130738752/40b776c6174b.pdfIn PDF document text
- http://files.candacelapan.com/uploads/1/3/1/3/131379510/0bb45e.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/1/0434/4774/6721/files/jikufamubupader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0947/2669/files/fulikamozavomaxunabitiker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9173/9295/files/tediwipisuwapa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7259/3821/files/99206291597.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4545/3985/files/sosatozamuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2026/2308/files/70971483679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0593/3730/files/walmart_attendance_policy_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2562/9335/files/mayon_volcano_pyroclastic_flow_hazard_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0298/5621/files/13525293015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/mesh_collider_unity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8706/9335/files/4078657037.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65817182127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/wefapotexadepivekirijez.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_off00008e53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E53 | 5216 bytes |
SHA-256: be8a4bd3f45a38ac07a259b367d4eac1ba51e4e285c52dae0a1d0eca5087878d |
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font_01_sfnt_off0000a00e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA00E | 9880 bytes |
SHA-256: cbba71206cbb13f69a50f13dec2cda2a8b963529b33be9803fbee5ce0c864bb9 |
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font_02_sfnt_off0000c1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D9 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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