MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a document about deductive and inductive reasoning. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic fired, pointing to the ttraff.ru domain. The document body, though heavily corrupted, contains the same topic and the malicious URL, suggesting a lure to a phishing or malware distribution site.
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=difference+between+deductive+and+inductive+reasoning+pdf In PDF document text
- http://files.cmpa-apmc.org/uploads/1/3/1/1/131164524/linotuteta.pdfIn PDF document text
- http://xilira.ptcwyoming.com/uploads/1/3/1/3/131378780/tujajepenoliselunaji.pdfIn PDF document text
- http://files.teresaannette.com/uploads/1/3/1/4/131454106/fd4c9ad.pdfIn PDF document text
- http://files.frederickcitybaberuth.com/uploads/1/3/0/7/130739474/3e7887a1c22155.pdfIn PDF document text
- http://files.charitysportfolio.com/uploads/1/3/1/1/131163859/zepotirifexok.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/1/0435/4696/8218/files/39672689331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4111/1716/files/fufejojezozebexonuxipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3066/7673/files/86748046308.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8027/8426/files/69099709269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3796/4960/files/www._bsf._nic._in_recruitment_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8786/9592/files/bolosebupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8451/2406/files/kenmore_refrigerator_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7019/2805/files/gakexizenusevobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9865/1288/files/30978535926.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1011/3186/files/chemistry_zumdahl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4278/0837/files/process_of_delegation_of_authority.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/velejurivupojuvumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0315/8433/files/vefirijejimux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6052/7265/files/pdf_annotation_onenote.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_off00008e50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E50 | 5580 bytes |
SHA-256: 75418cba06d0869975c458a4b99d0d94522cc5cdca3a3e3c8e0e77d497b4abc6 |
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font_01_sfnt_off0000a178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA178 | 10504 bytes |
SHA-256: 4038d7d716e910e393e8196768581791f0eba57ccbf471a0cf4c855618e0f5a0 |
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