Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfdd4885c849650d…

MALICIOUS

PDF

48.9 KB Created: 2020-08-20 12:32:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 541abcd1bd9f8cd99387c609e77ac4f3 SHA-1: d9482b28f80a31ab2af87d2db652121af5aea2c6 SHA-256: bfdd4885c849650d05afcd75307504ad8a1d6b1a8079d2b3070115a7ff5a4451
194 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, specifically pointing to 'https://ttraff.com/pify?keyword=top+10+ed+games+on+play+store'. This URL is presented within the document body, disguised as content related to games. The file also exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious content.

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.com/pify?keyword=top+10+ed+games+on+play+store In PDF document text
    • http://files.tallentdesign.com/uploads/1/3/1/3/131383924/b077c1d0c.pdfIn PDF document text
    • http://files.kristenludwigsen.com/uploads/1/3/0/7/130775375/xejirapa.pdfIn PDF document text
    • http://files.jonathanbrooks.net/uploads/1/3/0/8/130813965/guropasodelofon.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/1/0438/8962/3208/files/xinerabowesixit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5770/9210/files/approval_form_1b.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3786/5637/files/zuzov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6888/3097/files/lonosune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1058/0899/files/your_song_easy_piano_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8849/5270/files/tratamiento_absceso_hepatico_amebiano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3056/1447/files/anura_app_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1026/8064/files/46897955010.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9740/7126/files/50938840955.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7372/3800/files/64206850353.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3564/8409/files/83041318197.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1801/9235/files/z80_assembly_language_programming.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/73417089220.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007757.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7757 5524 bytes
SHA-256: 3a963a89c68cb9983fa4eac2ba2b6682caaf56deb573094edbb05fe3f9c58b93
font_01_sfnt_off00008a0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A0B 1800 bytes
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d
font_02_sfnt_off00009299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9299 10588 bytes
SHA-256: 4773e9eaacd1f247eb35b1f5a2e62e45a6c9d0ddcea1001d96777e0a44a9c2c9

Open this report in the interactive analyzer, or submit your own file for analysis.