Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF 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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The 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.
• Embedded URL info EMBEDDED_URL
  One 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://golowaki.ru/strik?utm_term=python+set+environment+variable+command+line PDF link annotation

  • https://cdn.sqhk.co/tememagitapo/pjapDih/sutodowaxagalutid.pdfIn PDF document text
  • https://cdn.sqhk.co/tiwefuxab/IrggUzt/vopokoga.pdfIn PDF document text
  • https://cdn.sqhk.co/sawitofi/2L7Uhhj/charities_bureau_forms.pdfIn PDF document text
  • http://peramabejakes.sportsontheweb.net/26386957141.pdfIn PDF document text
  • https://cdn.sqhk.co/jupujezaxa/jPwShHo/28181548743.pdfIn PDF document text
  • http://neridofufuleteg.scienceontheweb.net/how_do_you_reheat_a_rotisserie_chicken_in_an_air_fryer.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://s3.amazonaws.com/sesafefanulokam/77814261066.pdfIn PDF document text
  • https://724418e0-3ace-43c1-abd8-628b4820fc71.filesusr.com/ugd/6df952_37cc030a98794362b231670debc645e4.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/pajukovuxetu/camus_myth_of_sisyphus_quotes.pdfIn PDF document text
  • https://s3.amazonaws.com/luramamelolem/88857468144.pdfIn PDF document text
  • https://s3.amazonaws.com/genukopapovixo/what_to_eat_for_breakfast_on_low_fodmap_diet.pdfIn PDF document text
  • https://s3.amazonaws.com/potamotaz/will_there_be_an_odd_thomas_movie_sequel.pdfIn PDF document text
  • https://0c17d2ad-06a2-4efd-9128-26148cac6670.filesusr.com/ugd/44320b_d180e2a8bc9e42c8b66c779956c7f350.pdf?index=trueIn PDF document text
  • https://e114ad41-1367-46fe-a5fd-427bf640f69d.filesusr.com/ugd/a63c55_fb2148b25cc84f7d8db2143e89537b8c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xujitezu/emerald_tablets_of_thoth_english_translation.pdfIn PDF document text
  • https://0b7b936c-93ac-4a60-9644-6ba220b934cc.filesusr.com/ugd/b4bf80_82dec5669f164d77985248187ef2c30a.pdf?index=trueIn macro / runtime command snippet
  • https://34886cf3-15ed-44db-93e8-8979dc7c4cd7.filesusr.com/ugd/ea2c45_97d3dc0813b64a1eb12e3c9e3ea5af55.pdf?index=trueIn PDF document text
  • https://486bfeb6-87d8-40a3-812f-3449909c9139.filesusr.com/ugd/81b904_48c02d5a21584147be082a3a8dea853f.pdf?index=trueIn PDF document text
  • https://9480ebe7-8096-4165-94d5-b35dd525e9f4.filesusr.com/ugd/07b43d_a38b7d8e349243caa15903715e3352c2.pdf?index=trueIn PDF document text
  • http://jisijuvod.myartsonline.com/buvijalegusatexitagor.pdfIn PDF document text
  • https://s3.amazonaws.com/rekorewexidiwo/41930252994.pdfIn PDF document text
  • https://9df6e0af-a028-4e88-91ba-61a1b37318d5.filesusr.com/ugd/7c1f05_a2c63a31c5964377a3789534930ba047.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/kudowo/7603043616.pdfIn PDF document text
  • https://s3.amazonaws.com/genukopapovixo/69792444853.pdfIn PDF document text
  • https://s3.amazonaws.com/zafirawit/birthday_song_in_tamil_isaimini.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
  • https://s3.amazonaws.com/xujitezu/emeIn macro / runtime command snippet
  • http://scripts.sil.org/OFLIn PDF document text

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