MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary redirector URL, 'https://ttraff.ru/pify?keyword=attaching+plastic+sheeting+to+wood', is flagged as malicious. The document body, though heavily obfuscated, contains this URL and references to other PDF files hosted on Shopify, suggesting a link farm or redirection scheme. The ML classifier strongly indicates maliciousness.
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.ru/pify?keyword=attaching+plastic+sheeting+to+wood In PDF document text
- http://wuzum.worcesterpflag.org/uploads/1/3/1/8/131857114/ruzemekapaj.pdfIn PDF document text
- http://jidereje.oberlinsfc.com/uploads/1/3/0/7/130738524/54bcd6b58b.pdfIn PDF document text
- http://files.stutheostrich.com/uploads/1/3/0/7/130775980/nizuv_sewekulod_gubuneb.pdfIn PDF document text
- http://zoguleto.josephhudson.com/uploads/1/3/1/3/131380930/2fce788694dac20.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/1/0429/5848/7703/files/68818761120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60868594071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7982/6589/files/89206093308.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9726/0192/files/58735382952.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/9237/8527/files/50176549773.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5313/8591/files/pinibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3012/6496/files/94371700112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8885/5718/files/30952112311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3658/0759/files/36373233474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/9601/5773/files/vugiforulovox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/limotanozuromifuxedaxovor.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
🗂 Part of campaign:
oberlinsfc.com
5 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006fbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FBC | 5108 bytes |
SHA-256: c3bb3ac4ca8329392f573c2396f95554942497317c98d4377fac38fde1e8ffae |
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font_01_sfnt_off0000811c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x811C | 10488 bytes |
SHA-256: b9f09b14597c391e1fd90444d62089b3c5e9de7e10126e52e89ae0831ab8c554 |
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font_02_sfnt_off0000a4f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4F0 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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