Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad2ec38d716cb804…

MALICIOUS

PDF

47.0 KB Created: 2020-07-31 04:20:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0fa09c7a5afd7e229ee363e1fe30bdb1 SHA-1: 2ebc54389ed2972fc590bf4d8750482e88f87074 SHA-256: ad2ec38d716cb8043d725437863ec61ce80e07de9edfc2d8278d36d599785e31
194 Risk Score

Malware Insights

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

The PDF file contains a mass external PDF link farm, with many links pointing to Shopify domains and a primary redirector at ttraff.cc. The document body, though heavily obfuscated, appears to reference 'Cdc pediatric vaccine schedule pdf', suggesting a lure to trick users into clicking the malicious links. The ML classifier strongly supports the malicious verdict.

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=cdc+pediatric+vaccine+schedule+pdf In PDF document text
    • http://files.ffalapahafarm.com/uploads/1/3/1/1/131164314/7825203.pdfIn PDF document text
    • http://files.touchofhaven.ca/uploads/1/3/0/7/130775678/f6f87a164c45a.pdfIn PDF document text
    • http://files.salmoncreekcotons.com/uploads/1/3/2/3/132303151/mokuxiwavigepo.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/1/0431/2920/8992/files/dotatuweri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8130/9085/files/33259811867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2797/files/6308985855.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6695/7722/files/81558518211.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2348/3548/files/palutofiferividagidozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6203/4589/files/88130193849.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8006/2878/files/42770733120.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0800/7072/files/beduzuguvifilizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9775/9643/files/timatabe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7945/0272/files/52568717151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2473/3592/files/23857643606.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0794/2549/files/17123318889.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 3

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_off00007a60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A60 5100 bytes
SHA-256: a767069f14654d4bf5aae192a62980ec47d2faa44e3a26bc85117fadbd5ce13c
font_01_sfnt_off00008bb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BB1 10272 bytes
SHA-256: 60f0a9f43c0f76fe85cb179153ff21a79569cc89855dcc41fda096666e8decad

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