Malicious PDF — malware analysis report

Static analysis result for SHA-256 48b0569103c66d78…

MALICIOUS

PDF

46.1 KB Created: 2020-07-29 03:58:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3cded10420a7e7c040dc31b924bc7792 SHA-1: 6280c9997b0c67c3965fb1468a8a1532234c1d12 SHA-256: 48b0569103c66d78f995b51e78bf82f24bec957c086590327ac73625112d0cc5
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=sql+server+express+2012+sp2'. Additionally, it exhibits a PDF link farm pattern, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains references to 'Sql server express 2012 sp2' and 'wkhtmltopdf', suggesting a lure related to software downloads or updates. The primary malicious IOC is the redirector URL.

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=sql+server+express+2012+sp2 In PDF document text
    • http://files.aireenp.com/uploads/1/3/1/4/131453061/132a4e22a02ae7.pdfIn PDF document text
    • http://files.dualcredit23.com/uploads/1/3/1/4/131483361/xavezitizawu_kujadewonutov.pdfIn PDF document text
    • http://files.wsfishfarm.com/uploads/1/3/1/3/131378779/2554714.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/1/0433/0687/7080/files/55781022724.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18396470220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/wepodamexagelipo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4031/8375/files/63901983849.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16494210232.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0563/9830/files/wupazalobefutukuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5425/9606/files/xefisufavasemazikeku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0640/2453/files/boduvasazesegatikiluj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8669/3023/files/12169966730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0106/9220/files/46036232597.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31082235151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1536/5020/files/98509720732.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007167.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7167 4732 bytes
SHA-256: 24c6044877f1f100e1c4fd162162dc94f242b53e8f1062f744eeef1104bfe0af
font_01_sfnt_off0000818b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x818B 13456 bytes
SHA-256: b398ff38640f7679d781a2f1b33ba9204983a048c81cd2d06754ab795b9f4f57

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