Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbbfe31a719aac5b…

MALICIOUS

PDF

59.0 KB Created: 2020-08-10 06:30:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ab100eb8ce519e4b3c12afe053fe5288 SHA-1: dc17e37a2fcb95bb5370f647eb7baa1e33c3da85 SHA-256: fbbfe31a719aac5b0b39655cc574c15a5663fc41dddeb326ac028954b6b22538
202 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains a reference to the same URL, suggesting it's the primary lure. The file also exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on 'cdn.shopify.com', likely to improve search engine ranking and distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.com/pify?keyword=employment+news+23+feb+to+1+march+2020+pdf In PDF document text
    • http://files.jackbeantea.com/uploads/1/3/1/6/131636834/ramugojaxulikutemub.pdfIn PDF document text
    • http://files.camuzphoto.com/uploads/1/3/1/0/131070407/rumopuwukemune.pdfIn PDF document text
    • http://files.gdnatoronto.org/uploads/1/3/1/6/131637308/fosawowude-tipifuziparuwe.pdfIn PDF document text
    • http://files.handpressoth.com/uploads/1/3/1/1/131164250/083369c3a.pdfIn PDF document text
    • http://rikodebes.adventurouspursuit.com/uploads/1/3/0/7/130775506/9051451.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1129/0782/files/bilovetad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2718/4281/files/38945858174.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0258/5500/files/rizivajabefevekosaxijolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5744/6050/files/gibadawazudubofikawukono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6895/6565/files/wing_chun_training_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2508/8168/files/plus_nut_tool.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0704/9877/files/94828896367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7201/1931/files/87831778448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9648/9632/files/xitafetikodurazutoburuva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4190/7110/files/bacterial_classification.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5167/7856/files/21990108332.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/damegadunuje.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000751c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x751C 6176 bytes
SHA-256: 4a64065eae819ff92b90c8bd7b9ca5269aa6e26f593d1990d23b75b762bd630c
font_01_sfnt_off00008a0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A0C 3720 bytes
SHA-256: d5ecec3e822993868ba70e247019bcdb656a9fee58d620eb93bc70658e929280
font_02_sfnt_off0000956f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x956F 14720 bytes
SHA-256: 2fbf2a7e183735a292f82aad16b0c5d0f52ab55280663b132d22b581cc80b65a
font_03_sfnt_off0000c335.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC335 8160 bytes
SHA-256: 557246b8b94789ccafb8ec865a0a28ce5837f15d48dbfed54fd1364986103032

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