MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure. The document body, though heavily obfuscated, appears to contain text related to educational institutions, suggesting a targeted phishing lure. The primary malicious URL identified is traffmen.ru, which is flagged as a redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://traffmen.ru/aws?utm_term=the+downs+school+compton+sixth+form In PDF document text
- https://cdn-cms.f-static.net/uploads/4423460/normal_5fb2a65b3e066.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444877/normal_5fc65b55509f2.pdfIn PDF document text
- https://litisowof.weebly.com/uploads/1/3/4/6/134692954/1064329.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369927/normal_5fdbea52afa89.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455198/normal_5fc6672d915ee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366010/normal_5f95d7f85d58f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479214/normal_5fa7458329d95.pdfIn PDF document text
- https://tofisijola.weebly.com/uploads/1/3/4/8/134863845/nujijupid-zevomimetozesa-riboduvi.pdfIn PDF document text
- https://dubitofux.weebly.com/uploads/1/3/4/4/134458445/nufeke.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423428/normal_5fc2c0af67730.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423195/normal_5faee846478d4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465688/normal_5fc9a6199a10e.pdfIn PDF document text
- https://soxajenukaru.weebly.com/uploads/1/3/0/8/130874283/nexade.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370059/normal_5fa37fbee197d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc514d0d26ff1194f8ee356/t/5fc6c1142ac13f1ee9a3b300/1606861077071/super_mario_world_secret_exit_chocolate_island_2.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0c87788c99b6d37a67a80/t/5fc3f3744f9837572059d86e/1606677364763/lucky_charm_wow_3.3.5.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_off0000cb59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB59 | 5292 bytes |
SHA-256: 4b0d16fc8b562c7bc8f3897686fc2436e89cca3c6ed0a6439c59f00c8a9be517 |
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font_01_sfnt_off0000dd4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4D | 10736 bytes |
SHA-256: b8f1e76470e4391a34bd3d53034e2c2a7ff4320c10119febb447e96716af2674 |
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