Malicious PDF — malware analysis report

Static analysis result for SHA-256 324916b3a0993d0e…

MALICIOUS

PDF

56.6 KB Created: 2020-08-22 15:04:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2f9a8e096f9f7db25c2f36f5460f023e SHA-1: 7beddf8655f472cd94b0781349a13eff4bf5aa60 SHA-256: 324916b3a0993d0e754bf783b5049b4de58931d44fd976427a55c93c386490b3
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=brick+n+ball+game++for+java, is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to a game and the redirector URL, suggesting a lure to trick users into clicking the malicious link. The ML classifier also strongly indicated maliciousness.

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=brick+n+ball+game++for+java In PDF document text
    • http://faxuxug.soduparentsposse.com/uploads/1/3/2/7/132741508/987569.pdfIn PDF document text
    • http://files.calhouncounty911.org/uploads/1/3/1/8/131856310/mevogubonet-mikuv-jufarisiwega.pdfIn PDF document text
    • http://files.pietrogiordanophotography.com/uploads/1/3/1/3/131383760/b94828c2a9d57.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/1/0431/7364/2406/files/43139666240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1824/8601/files/wuvigikanoredibeput.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8211/3433/files/dejikupilewasik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7315/0869/files/gunisuxubekafefok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3729/4754/files/zozarulumabukap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8481/5259/files/zimazuvovepekajuneg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0818/0895/files/tupadate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6712/9504/files/camila_cabello_senorita_music_video.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8632/2600/files/vevawexag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7395/4204/files/pewimosabudevowabilobu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4253/6604/files/online_chess_application_for_android.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_off00009293.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9293 5412 bytes
SHA-256: accb9687fcf736d72b71469b1dd0dd6ae3602940c29a0502a347d14c1a9c962b
font_01_sfnt_off0000a4fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA4FD 15704 bytes
SHA-256: af3415e9463b33d234035bd3e20c988ed32448298f685b683d5a078578359243

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