Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba676bda65e4761c…

MALICIOUS

PDF

50.3 KB Created: 2020-08-05 09:15:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4ab702e76896a3678685b45b2c003e2c SHA-1: 26912ab23de81b708765586471c3127ab20e4df6 SHA-256: ba676bda65e4761c014977a7dd1d7ae90994e57b7cbdbcfe182af33b2593f1e3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=architectural+drawing+details+pdf'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The PDF also exhibits characteristics of a link farm, with numerous external links, many of which are benign but likely serve to mask the malicious redirector. The primary intent appears to be directing the user to malicious infrastructure via a deceptive link.

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=architectural+drawing+details+pdf In PDF document text
    • http://files.awolimited.com/uploads/1/3/1/4/131438353/sibotozarasu-fusapurof-bonavexoneba.pdfIn PDF document text
    • http://files.nollcompliance.com/uploads/1/3/1/8/131872054/mugobubijaxunaxememo.pdfIn PDF document text
    • http://files.fiongunn.org/uploads/1/3/1/3/131398598/0050519.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/1/0428/3426/4231/files/scope_of_biochemistry_in_agriculture.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5192/5155/files/4843007075.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4205/4048/files/bananas_and_pajamas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1072/6815/files/wegiwozexelowizifima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93236297381.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6844/9180/files/miwizunikatepetaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8909/3018/files/laxozuzimewexurulib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5570/9351/files/em_tag_html.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1356/2787/files/wukabotuxoxigadawevasena.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7952/4759/files/norogekukisuvudep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3637/6214/files/temolibokivimabuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3459/0875/files/51852347956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5989/4689/files/lakunebibimadupetubanogix.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 2

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_off0000853c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x853C 5496 bytes
SHA-256: 2da247f0ab7407a7937af4572095ee3a3b18442eecdd7ecfbf48cc87e5d54a4d
font_01_sfnt_off000097fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97FD 10412 bytes
SHA-256: 8f47d5e00943e593240e7959936d896303024804257f254f38cd298c13217efc

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