MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering through a deceptive link within the document body, leading to potentially harmful content.
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/wb?keyword=scientific%20method%20and%20history%20worksheet In PDF document text
- http://files.shockentertainmentinc.com/uploads/1/3/1/8/131871994/1971917.pdfIn PDF document text
- http://fitupo.braveandgentle.net/uploads/1/3/2/8/132816100/7969599.pdfIn PDF document text
- http://files.graciesroom.org/uploads/1/3/0/8/130813818/6355039.pdfIn PDF document text
- http://files.justforhimm.org/uploads/1/3/1/6/131607103/0fd20600a81.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/1/0437/8034/1917/files/madukuwonimaripemane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9689/9733/files/45071223958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/55955704131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7643/5621/files/govudinixidesixokufipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/6670346874.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9570/4227/files/65005966588.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0913/8075/files/zanudububumesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4072/6427/files/66139101210.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1896/0545/files/sivav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1437/4054/files/gurutezul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0692/6741/files/34080094084.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1901/0201/files/98557041409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2278/6466/files/asian_tigers_history.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7929/5385/files/bugetopowasusa.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_off00005176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5176 | 5376 bytes |
SHA-256: 8184bb3eed33891018372a804e7baec3336fe3ffc7efac4922aaa50b2dfe7757 |
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font_01_sfnt_off00006394.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6394 | 10040 bytes |
SHA-256: 830e47fc89e2489e36a5f1c5836a9bce8d7b5e72746293025c9294de97474f9b |
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font_02_sfnt_off000085ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85EE | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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