Malicious PDF — malware analysis report

Static analysis result for SHA-256 5240cecf50936f06…

MALICIOUS

PDF

39.8 KB Created: 2020-03-23 02:09:27 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-09
MD5: ec2e7e66ff7b3b18c21fac143b02bf8a SHA-1: a362a0229b58e51a14fe555cba1e8b9c516fca11 SHA-256: 5240cecf50936f060754c9fff353b77fb5620d02d84dbd45ba7951414afbf67e
124 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files. This pattern is indicative of a link farm used to distribute malicious content or conduct phishing. The presence of a callback lure suggests a potential scam or phishing attempt where users are prompted to call a number for assistance. The document body itself is largely unreadable, but the presence of the URL http://becdaxis.com/uploads/1/3/0/6/130604775/130604775.html#aa+meetings+chattanooga+tennessee and the heuristic PDF_SEO_LINK_FARM strongly suggest a malicious intent to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://becdaxis.com/uploads/1/3/0/6/130604775/130604775.html#aa+meetings+chattanooga+tennessee PDF link annotation
    • http://alwayscal.com/uploads/1/3/0/6/130604531/3548290.pdfIn PDF document text
    • http://playrate.club/uploads/1/3/0/5/130541552/fe1ba341acf.pdfIn PDF document text
    • http://beekeepinginalaska.com/uploads/1/3/0/5/130543168/wowedojotir.pdfIn PDF document text
    • http://royal34.net/uploads/1/3/0/7/130776605/nemupamawibakej.pdfIn PDF document text
    • http://dcsportsmanship.org/uploads/1/3/0/2/130271009/pogase-risupugigore-mebeje.pdfIn PDF document text
    • http://alanjonesart.com/uploads/1/3/0/6/130639442/376120.pdfIn PDF document text
    • http://phumyhungmidtown.net/uploads/1/3/0/4/130435906/abcc230.pdfIn PDF document text
    • http://gabrielledrouin.com/uploads/1/3/0/3/130379523/nusitinatizidu.pdfIn PDF document text
    • http://www.adhd-in-focus.co/uploads/1/3/0/6/130620854/8829681.pdfIn PDF document text
    • http://911snowremoval.com/uploads/1/3/0/4/130478009/04a00e9c356ff.pdfIn PDF document text
    • http://vancouvergaragerepair.com/uploads/1/3/0/5/130543210/luwalikenuzubidis.pdfIn PDF document text
    • http://martinapook.com/uploads/1/3/0/8/130813509/1830086.pdfIn PDF document text
    • http://cpgrecruiter.com/uploads/1/3/0/5/130590741/xabetatijutofegix.pdfIn PDF document text
    • http://okrecyclingsolutions.com/uploads/1/3/0/5/130550752/jilinemozifofemaz.pdfIn PDF document text
    • http://healthybrowngirl.com/uploads/1/3/0/5/130551299/wekenezof-sozawejal-domize.pdfIn PDF document text
    • http://vjfeeds.com/uploads/1/3/0/6/130639173/66df4b6b0f5bc7.pdfIn PDF document text
    • http://cageclaypool.net/uploads/1/3/1/0/131069997/e398d110.pdfIn PDF document text
    • http://techfast.net/uploads/1/3/0/8/130874642/didajaj_wefefajudonozam_wegasiguzijoti_bepexolibitiz.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

Related samples 3

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F44 8584 bytes
SHA-256: 8f1cfaa3a1c533eb2689356ef455e6851ecbf4bbf885fd6d44d4ab492a6f8056

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