MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector infrastructure, specifically 'ttraff.ru'. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Campylobacter fetus en bovinos pdf'. The presence of numerous external links, many pointing to potentially malicious domains, suggests a link farm or redirection scheme designed to lead the user to malicious content. No scripts were extracted from this sample.
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=campylobacter+fetus+en+bovinos+pdf In PDF document text
- http://bupiz.delorenzodachshund.com/uploads/1/3/1/3/131380429/rigatiberovamo_bilururanaw_vigur.pdfIn PDF document text
- http://files.pamserrawenz.com/uploads/1/3/1/4/131437285/doroxi_joxixuluj_tutifubezej_jetozopididom.pdfIn PDF document text
- http://files.cvillematerials.com/uploads/1/3/2/6/132682892/detifomepolulodal.pdfIn PDF document text
- http://lanut.yukonchocolate.ca/uploads/1/3/2/7/132710592/3888661.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/1/0428/8079/4790/files/35695628074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9906/2426/files/sherlock_holmes_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5263/7091/files/hp_8610_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3504/9640/files/gegoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0411/2545/files/femok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4749/2506/files/76101878783.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/lijosogepupabiwezedesab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/66146201975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9267/9582/files/75830656356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5350/4917/files/fekemaweweku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/suwiripebis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1624/1831/files/koxanoxiwegob.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_off0000e152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE152 | 5508 bytes |
SHA-256: 22976f9b8b818552fce990bb367f09c02cd8a1b622300463bad769e338fea185 |
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font_01_sfnt_off0000f3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F8 | 2048 bytes |
SHA-256: 54800217e0bdab6a0652dc3c325351488f93f1dbab54dcba8732948bcf8ee3ab |
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font_02_sfnt_off0000fcdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDB | 10536 bytes |
SHA-256: 4aba4a2c9a001eb123a6f3fc97665cc73e6de5b75bd944cd18e91fa3f9cac6a1 |
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