Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce60fd258dfe06c8…

MALICIOUS

PDF

42.5 KB Created: 2020-08-27 14:41:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88e86652f742ce80e759bfa93ddb8698 SHA-1: 54ca1cd58f4a52842ca5073a09945d67c9d0abc7 SHA-256: ce60fd258dfe06c8714fb1c3df962f0969579f3823b604e686a7054058f34c65
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link to 'https://ttraff.com/pify?keyword=hijo+de+hombre+acordes'. Another critical heuristic identified a PDF link farm with 15 external links, suggesting a broad distribution or SEO manipulation tactic. The presence of these links, particularly the redirector, strongly indicates a phishing or scam campaign aimed at directing users to malicious content.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • 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.
  • 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://ttraff.com/pify?keyword=hijo+de+hombre+acordes
    • http://woxos.gsmhlaw.net/uploads/1/3/1/4/131438539/wepupa_napasanutefiw.pdf
    • http://files.scamwatchphilippines.com/uploads/1/3/1/4/131483214/3f997e.pdf
    • http://files.stokerhounds.co.uk/uploads/1/3/1/3/131379594/1447216.pdf
    • http://files.therapeutichooves.com/uploads/1/3/1/3/131398477/19220d.pdf
    • https://cdn.shopify.com/s/files/1/0429/0176/6310/files/tchaikovsky_piano_concerto_1_piano.pdf
    • https://cdn.shopify.com/s/files/1/0436/6175/4518/files/arjuna_classes_current_affairs.pdf
    • https://cdn.shopify.com/s/files/1/0434/1468/3815/files/blouse_designs_cutting_and_stitching_free.pdf
    • https://cdn.shopify.com/s/files/1/0436/8872/2597/files/jejagemuvil.pdf
    • https://cdn.shopify.com/s/files/1/0455/7661/8149/files/cover_letter_for_job_application_sample.pdf
    • https://cdn.shopify.com/s/files/1/0431/3156/8290/files/gomibezetukudow.pdf
    • https://cdn.shopify.com/s/files/1/0429/9233/7059/files/wujovetebinovegaxonutogal.pdf
    • https://cdn.shopify.com/s/files/1/0438/8831/2488/files/blackmail_2005_movie_video_song.pdf
    • https://cdn.shopify.com/s/files/1/0436/1669/8526/files/niwoxiwakowugen.pdf
    • https://cdn.shopify.com/s/files/1/0428/8076/2023/files/35359405284.pdf
    • https://cdn.shopify.com/s/files/1/0462/6366/4794/files/tokedab.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b13.bin
c478099f258f5c5db50cea2cb9d98b54d54b851a41a6149861cefe731eb0a232		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B13 5324 bytes
font_01_sfnt_off00006cf5.bin
a095d8f85cbf1f982e0e47bcc8a23ab411ea5bf901e87b4e11b0ecac3dcea86d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CF5 15748 bytes

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