MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many of which point to a redirector service (ttraff.cc) known for malicious activity. The document body, though heavily obfuscated, contains the same redirector URL and other PDF file URLs. This indicates a link farm or redirection scheme designed to lure users to malicious content, likely for phishing or malware delivery.
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=analytical+methods+for+polymer+characterization+pdf In PDF document text
- http://taviwegew.bridgehousesarc.org/uploads/1/3/2/6/132680903/mugukig_nuzafinepuwiwo_beliwazodamak.pdfIn PDF document text
- http://files.rachelfelstein.com/uploads/1/3/0/8/130813366/7166970.pdfIn PDF document text
- http://files.faithforinternationalassistance.org/uploads/1/3/1/3/131398134/d536a9.pdfIn PDF document text
- http://files.judobooster.com/uploads/1/3/0/7/130738722/mukufoji.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/1/0434/9375/2997/files/50240061927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9644/6878/files/10650241739.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5339/1765/files/dunej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7997453156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1475/8293/files/57678327641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0199/3622/files/hotel_brand_standards.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5282/6777/files/18769677942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1870/6341/files/legendary_pokemon_in_emerald.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7880/9755/files/supatomaxexipefiwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/4582/6210/files/receipt_book_walmart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36149341097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7595/2030/files/51226614453.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F60 | 5324 bytes |
SHA-256: 2f22ee2ce9e879cb7084e626c7feea3fec2c4e9ba56f44aeabcf082b2cc0900e |
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font_01_sfnt_off0000814d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x814D | 10008 bytes |
SHA-256: e76dfa891b268051ffa96f848b3af912234901a365c4b1ab5ef25b60660aeaaa |
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font_02_sfnt_off0000a3d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3D4 | 16192 bytes |
SHA-256: 89e8aafbe8ee2c7f3266b17cd39cf05f10435523f88472c7e1a1d2e3feddee8f |
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font_03_sfnt_off0000b910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB910 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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