MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though heavily obfuscated, contains the same redirector URL and several benign-looking Shopify URLs, suggesting a link farm designed to obscure the malicious destination. The ML classifier strongly indicates maliciousness, and the heuristic firings confirm the presence of malicious redirector links and a large number of external PDF links.
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=auxiliary+equation+pdf In PDF document text
- http://files.thingsbybean.com/uploads/1/3/0/8/130874213/jukisokoxapu.pdfIn PDF document text
- http://files.thepeoplesbookkeeper.ca/uploads/1/3/1/3/131379792/duwiwavujekukax-sugurobe-luxezofo.pdfIn PDF document text
- http://files.lisalenarz.com/uploads/1/3/2/7/132740619/6e2d876a9.pdfIn PDF document text
- http://files.congioia.org/uploads/1/3/2/8/132814239/pudaraburamewa-vixamabaje-bisilolodasuril.pdfIn PDF document text
- http://files.traceyfox.co.uk/uploads/1/3/1/1/131164567/saxajuzibobemizavum.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/1/0429/6962/8828/files/mivubasowugemis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/potozuvepuzakojalivutixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2073/0011/files/daziruri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0173/0456/files/93774471303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2431/8618/files/kipewilewagojaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3400/8987/files/32843034330.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6225/9865/files/paulk_workbench_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7577/1304/files/52829046164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/mcgraw_hill_ryerson_calculus_12_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4988/5606/files/80003846072.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6718 | 5140 bytes |
SHA-256: 49be411a3b53c59de9acca38b7e9bf2e7f0fb5ca0a448bf2afd594a0fd752a5b |
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font_01_sfnt_off000078ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78AC | 15216 bytes |
SHA-256: 0ba1070d9767eb9cfff0aab48b8a1a9d07c055ccbd87899912fa69010822bbde |
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font_02_sfnt_off0000a86e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA86E | 16088 bytes |
SHA-256: 9c057ac09ec7e90559246466cf17d5e2b4b033cefee822b4d3dac6bf26bbb550 |
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