MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a specific redirector URL designed to phish users with a fake job advertisement. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's part of an SEO-based link farm for malicious redirects. No scripts were extracted, but the embedded URL is the primary indicator of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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.ru/pify?keyword=navy+jobs+2020+advertisement+pdf In PDF document text
- http://files.timhamelprofessionalmassage.com/uploads/1/3/2/6/132681233/bfa1b3b5e72c4.pdfIn PDF document text
- http://files.jessicaadamson.com/uploads/1/3/0/7/130775379/paxapebijuxex_nabuputafa_toworukupa_vumovenuf.pdfIn PDF document text
- http://files.housefitstl.com/uploads/1/3/0/9/130969474/42dd10f153018.pdfIn PDF document text
- http://files.artworksvass.com/uploads/1/3/1/0/131070604/wifarunudegonazowuxi.pdfIn PDF document text
- http://files.johnlinneball.com/uploads/1/3/1/4/131406558/3649633.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
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5049/2316/files/wawimumilixiboravibezoluw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/34970646113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9356/5342/files/gorerawimigawozunap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8470/7992/files/network_topology_ppt.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2122/1533/files/49174573418.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5306/2046/files/farove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2926/5574/files/64897604894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41841620016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8549/5453/files/sumoxuxipexuwezadafalus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0118/4417/files/makemexirekagasijizuxum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0495/2735/files/fewupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1206/3391/files/fuwogizifarijuroribefav.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018073.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18073 | 5564 bytes |
SHA-256: 6cdaf1b149449da2f934b8f7f635123d2ba19ce5e0b4b1cc0b3574bad8ee6173 |
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font_01_sfnt_off0001934b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1934B | 14512 bytes |
SHA-256: c1f76e790abed3cddd3abdbe1c4904ffe8666486949e30252d66ddecb863d155 |
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font_02_sfnt_off0001c08f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C08F | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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font_03_sfnt_off0001ce8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CE8E | 3532 bytes |
SHA-256: 81dbc41fae77f2f3d5671fc69fbdb5bb5155bf5a48a9fb0f5473809b9802d2cb |
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