Malicious PDF — malware analysis report

Static analysis result for SHA-256 9407584d18d00242…

MALICIOUS

PDF

43.8 KB Created: 2020-08-17 14:53:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 63d2b219e6527fa6551bc5614ed14498 SHA-1: 7616d7525016f42ce0176a644d351df4f059d007 SHA-256: 9407584d18d00242769e5d52d6e5c2ab3cc9b102959fbfe0537373b4e4883445
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation or to obscure malicious content. One critical heuristic identified a link to a known malicious redirector, 'ttraff.cc', which is used in conjunction with the lure 'picsart cracked apk'. The document body, though heavily obfuscated, contains this same URL and references to cracked software, reinforcing the phishing or malware delivery pretext. The presence of numerous Shopify-hosted PDFs, while some are benign, likely serves to add legitimacy to the overall link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • 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://ttraff.cc/pify?keyword=picsart+cracked+apk In PDF document text
    • http://files.tothemoonandbackrabbits.com/uploads/1/3/1/6/131607522/7503cdf.pdfIn PDF document text
    • http://gejewot.artinheavenhellonearth.com/uploads/1/3/2/8/132814930/2365231.pdfIn PDF document text
    • http://files.bc-ipse.org/uploads/1/3/1/4/131455328/vututupeko.pdfIn PDF document text
    • http://kegetadi.emerge-studios.com/uploads/1/3/1/8/131872269/maputiwuvonalave.pdfIn PDF document text
    • http://files.sprinkledco.com/uploads/1/3/0/7/130738765/bufosezim.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1633/1172/files/2731060312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3640/8982/files/43126446906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2032/8865/files/21943659555.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1087/5815/files/febufuxiwujebikar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9559/5938/files/job_application_letter_in_marathi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8688/9625/files/west_indies_champion_song_ringtone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3604/7522/files/sign_adobe_doc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9977/3341/files/34123292373.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4790/2629/files/21845444704.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1050/6404/files/65812908706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0061/9423/files/77464309583.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006ea7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EA7 5100 bytes
SHA-256: 3d2c644004558113fe204ecd7211626ca366ea865bdf6cd5635dc7ec1541c875
font_01_sfnt_off00008002.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8002 9984 bytes
SHA-256: 857c91f6f534a4497cd9372dbd6a4bf69a7447b31d2c73a35a51bc363bed4de6

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