MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a lure referencing an application form and embeds multiple links. One of these links, 'https://ttraff.ru/pify?keyword=c.+a.+o+application+form+pdf', is identified as a malicious redirector. The document also contains a large number of links to PDFs hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=c.+a.+o+application+form+pdf In PDF document text
- http://files.vbtherapist.com/uploads/1/3/1/0/131070469/razekuva.pdfIn PDF document text
- http://betututa.benedictionworks.com/uploads/1/3/1/3/131381078/1073593.pdfIn PDF document text
- http://files.wisewomannaturalhealth.com/uploads/1/3/1/3/131398288/zofevozakivogaduf.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/1/0431/4162/8072/files/atomic_structure_of_hydrogen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/xisunojemivuragum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1076/8546/files/sosopavanosisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9241/0525/files/finedevowudugonamemusefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8558/6841/files/fapotelopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7144/6939/files/43109148909.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0389/6217/files/52352672247.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4305/2953/files/gezibarijovumuputarag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0847/3763/files/44368098362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9952/1181/files/49004873202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9289/3093/files/ruteniki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/delutoludokujadokil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/convert_to_word_app_for_iphone.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_off00006417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6417 | 4848 bytes |
SHA-256: f633764bca29410cd5b0af9aa670e7534faaa5d83216702046328ab8c618348d |
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font_01_sfnt_off00007473.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7473 | 10312 bytes |
SHA-256: 599c3c4d1b8205e1b406f407cd1d65307ad1b16386c69e172176c005ae4b9591 |
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font_02_sfnt_off00009777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9777 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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