MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating it is part of a link farm and uses a redirector for phishing. The embedded URL and the heuristic 'PDF_SEO_LINK_FARM' suggest a malicious intent to redirect users to potentially harmful content, likely for credential harvesting or malware distribution. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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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://trafficel.ru/123?utm_term=the+secret+by+rhonda+byrne+epub PDF link annotation
- https://cdn-cms.f-static.net/uploads/4378845/normal_5f8c90a1e5c12.pdfIn PDF document text
- https://jovavogi.weebly.com/uploads/1/3/4/5/134597399/lixikutubigiso_renenejopiwano.pdfIn PDF document text
- https://beretukajawedu.weebly.com/uploads/1/3/4/7/134713042/lukev-mijenelujuxiviv-fozekejijarisu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462036/normal_5fcb76ea2264b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370303/normal_5faf305252da3.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/5fc128c411f6a419848742fc/t/5fc55944eaf37e3b644ec204/1606768965235/papa_hot_doggeria_wiki.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc51c18a8793968642360ab/t/5fc80c64ba6c854291be705f/1606945895432/vibexokidixonidoveva.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0e828ea-c4b1-462f-bb53-f6bce43cfedc/duwoma.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46a13c03-88bc-4567-ad56-9e32281d9753/44833287513.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbfda27a5bc066edf9fc50f/t/5fc44b909ee0f32b87dc96c4/1606699920646/luzomejudetetari.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ae2c56f-e908-4371-bb62-96c79f2fc15a/89697287627.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc78cfef140fc3aa58a4063/t/5fcd907305ddc9599d3b33c2/1607307379706/naratujo.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0d7ac403f5353fd956fc5/t/5fcdc6923ff101154011cca4/1607321263311/the_king_of_fighters_all_star_english_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85bed9e9-13b2-4669-bd43-87657d342caa/vetajuvovigunazetu.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc4bfca24b06a7eb3181a05/t/5fd6bbcb3ebe0416316de0ec/1607908300285/blank_bumper_sticker_template.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_off0000c58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC58F | 5320 bytes |
SHA-256: 047a3d547341620007fd3b46c46abf687f2d90d031eb2f78e49e179e6310ad27 |
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font_01_sfnt_off0000d79b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD79B | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off0000e028.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE028 | 10740 bytes |
SHA-256: 410b2235bca6cff9025075d521fbcbec30558f2c651ad157670d1be834682462 |
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