MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are part of an SEO link farm, indicating a phishing or scam attempt. The primary URL 'https://baarspo.ru/strik?utm_term=how+to+learn+shred+guitar+licks' is identified as a redirector, likely leading to a malicious or phishing page. ClamAV detection and ML classification further support its malicious nature, classifying it as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://baarspo.ru/strik?utm_term=how+to+learn+shred+guitar+licks PDF link annotation
- http://levotavo.scienceontheweb.net/black_boy_book.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391649/normal_5ffeb92625da5.pdfIn PDF document text
- http://gekifek.scienceontheweb.net/adventurer_activity_book.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383165/normal_5fe27dd229c3d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472494/normal_603f29e9a9c1c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476126/normal_6039dd2ec73a7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416791/normal_6014dd23254da.pdfIn PDF document text
- http://xuvaxujogilo.mygamesonline.org/what_is_the_moral_lesson_of_the_story_little_red_riding_hood.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sazasewugekupej.onlinewebshop.net/dan_pena_how_to_make_your_first_100_million.pdfIn PDF document text
- https://6d5fec37-5936-4ae8-8938-03a86e982f09.filesusr.com/ugd/d4da64_a21ec0637b06408084d4f30114c637d7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xovajukoxin/badiwiweboj.pdfIn PDF document text
- https://s3.amazonaws.com/pafexegud/jetson_tx1_datasheet.pdfIn PDF document text
- https://s3.amazonaws.com/bokelur/left_unattended_synonym.pdfIn PDF document text
- https://s3.amazonaws.com/daraniwekamidir/how_to_get_a_sentry_safe_combination.pdfIn PDF document text
- https://b4095e1f-5e43-4c35-8b28-ff0c3185c247.filesusr.com/ugd/9cc3de_38070fdb31db4ef7bfc16f1d1e88af63.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pogolo/baldur_s_gate_2_android_reddit.pdfIn PDF document text
- https://770ad53b-b55e-4e58-b1eb-3709f41304f7.filesusr.com/ugd/98e298_a2b6d11adbcb485384476c892d4e662c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/legesiliv/ribijujefijug.pdfIn PDF document text
- https://s3.amazonaws.com/dosalapasenow/tujuan_pendidikan_agama_islam.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_off0000ee25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE25 | 5320 bytes |
SHA-256: 5c2e5edb6cb1184d1731a6394cb3adf6953bd3948c9fa8aae17bd4fe48dcf312 |
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font_01_sfnt_off00010044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10044 | 11084 bytes |
SHA-256: 47171a354f83daf2591f8e15ecc21c836ccd71afbbb573656887d3621a21424e |
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