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.ru) disguised as a free download. The ML classifier and heuristic firings strongly indicate malicious intent, likely for phishing or to serve a second-stage payload. The document body itself contains garbled text but includes the malicious redirector URL and several benign-looking Shopify links, suggesting an attempt to create a link farm for SEO poisoning.
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=for+since+ever+never+just+already+yet+exercises+pdf In PDF document text
- http://files.ruthworkssf.com/uploads/1/3/1/4/131452783/3a9a7a692d0fb.pdfIn PDF document text
- http://files.tevfikmuratyildirim.com/uploads/1/3/1/3/131379591/d2ded2fb00f.pdfIn PDF document text
- http://files.1800cuttree.net/uploads/1/3/0/9/130969357/lakomeralefev.pdfIn PDF document text
- http://files.puterbaughcollection.com/uploads/1/3/0/8/130874050/mevarisopetar.pdfIn PDF document text
- http://files.lizziemahoneypaintings.net/uploads/1/3/2/3/132303068/871172.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/1/0433/4406/8773/files/tojuregalena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/dusobomuxodomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8120/1819/files/22829780639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3694/2231/files/ratuvuwemakibewuranisezod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7633/files/free_mblex_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9240/1573/files/82132696349.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0833/3736/files/25533674156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0879/4530/files/46454932443.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4940/9960/files/9896971685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2619/4333/files/xemop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2174/5825/files/kiwavevuxuwuxugavogumos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/jovere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0459/1255/files/50031851357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/161883292.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8784/6806/files/beran.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000059ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59AD | 5412 bytes |
SHA-256: 1d8a6066eccf9298ba1bb4511833ae87dfbea99fe0b5db37de559af6a7af776c |
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font_01_sfnt_off00006c3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C3F | 10244 bytes |
SHA-256: e45fd158089011b1d69399a27b468a169c85b3f5218e49fdf16ffc3d11e683a9 |
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