MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDFs hosted on various domains. One of the primary links, 'https://ttraff.ru/pify?keyword=types+of+cohesive+devices+and+examples+pdf', is identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites.
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=types+of+cohesive+devices+and+examples+pdf In PDF document text
- http://files.slicediaries.com/uploads/1/3/1/6/131606260/ritarijivomomur.pdfIn PDF document text
- http://files.instantcarappraisal.com/uploads/1/3/0/9/130969744/ed16ae8a8f253.pdfIn PDF document text
- http://files.sabatinomangini.com/uploads/1/3/1/6/131637255/tasij-mubutaz-popop.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/1/0429/9803/8679/files/vevuwed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6300/8664/files/ambrosia_maritima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5697/1432/files/dagoloxewupebufilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6911/1448/files/basic_electronics_solution_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/15746276339.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4424/9499/files/pobuwodibuvoviruri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baludugosutagaxoreforodul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5768/4375/files/2373317334.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0546/8068/files/mimisikosovamomemog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/naseletogixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/0836/4444/files/asset_accounting_full_configuration_in_sap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1410/2941/files/fopekep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/libidurekatomanazavevufi.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_off00008a96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A96 | 5184 bytes |
SHA-256: 65086a2dc8e655810f5b6991da1391949fc8a5a28ea8da0503385341ea4edcd0 |
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font_01_sfnt_off00009c1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C1B | 10352 bytes |
SHA-256: b200b7abbe0cdcd15a4b6e6647429047ebbc46da5cca9f4dedef64f1ba6eb56e |
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font_02_sfnt_off0000bf87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF87 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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