Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfbaf65418a261e3…

MALICIOUS

PDF

40.3 KB Created: 2020-08-15 16:40:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 41b349a575f3e2c9ed209e259acbceba SHA-1: 20ccd0d1c1429fb26d5dd7d0b4fba45d96ab86b6 SHA-256: dfbaf65418a261e3e99947c82fdb1002806d7368624d079a4aee13abbc43c278
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains text related to a "happy brother day whatsapp status video" and the malicious URL, suggesting a social engineering lure. The PDF also hosts a large number of external links, many pointing to Shopify domains, likely as part of an SEO link farm to obscure the malicious redirector.

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=happy+brother+day+whatsapp+status+video In PDF document text
    • http://files.yodopay.com/uploads/1/3/2/3/132303248/1602960.pdfIn PDF document text
    • http://files.mycmississauga.com/uploads/1/3/1/0/131070151/kexivenapi-pupoximejakaw-timasanajojogi-vazum.pdfIn PDF document text
    • http://jefuzajir.theindestructiblesbook.com/uploads/1/3/1/0/131071164/851367.pdfIn PDF document text
    • http://files.graceguy.org/uploads/1/3/0/8/130813747/1594049.pdfIn PDF document text
    • http://files.thebookcatchers.com/uploads/1/3/1/4/131454109/fativetinugi.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/1/0434/2962/6013/files/13582777643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5922/4480/files/xesav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6425/4883/files/73266988502.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5743/0176/files/83005554741.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7332/0600/files/xagusafibawujukud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8187/6131/files/64935335289.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7270/7990/files/60538756634.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mujunevuduw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5777/3718/files/werirap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0453/2695/8747/files/2019_calendar_template_canada_word.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0830/9923/files/nixogolodajemotinadikun.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 5

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_off00005fd1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD1 5372 bytes
SHA-256: d6c5a609737172ed2af6bfebbc70af2475b7d40fb9e582d59c1f3638385b309c
font_01_sfnt_off0000721f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x721F 9984 bytes
SHA-256: 169b256559741f0c6362ccfa143e749b34b5bde388328631c5941ad14c7e0e7c

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