Malicious PDF — malware analysis report

Static analysis result for SHA-256 bcbb222b92c3a2df…

MALICIOUS

PDF

41.0 KB Created: 2020-08-23 04:24:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4e276416f5223d16d5ef050a5035e239 SHA-1: b47de14752a9e82af22ea4f17ae3dd5e7ace9209 SHA-256: bcbb222b92c3a2dfa4b0a536021856099b2a7e048b6d4ff78e659c5493040443
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is designed to lure users with a fake download. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains. The document body, though heavily obfuscated, contains the same lure text and URL as the 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=wingsuit+flying+game+apk In PDF document text
    • http://files.vmacpdx.com/uploads/1/3/0/7/130775607/eac1938278423e3.pdfIn PDF document text
    • http://files.juiceboxfloresville.com/uploads/1/3/2/7/132741429/fupekug.pdfIn PDF document text
    • http://files.havenhomestead.com/uploads/1/3/1/4/131437457/takopeful.pdfIn PDF document text
    • http://files.exmouthcaninecentre.co.uk/uploads/1/3/0/8/130874128/jenasaj.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0510/0711/files/11196434361.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6125/6091/files/kelavepifelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0263/4148/files/romeo_x_juliet_episode_1_english_dub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8562/6520/files/86050314222.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0886/0065/files/essentials_of_biostatistics_in_public_health_3rd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9988/9569/files/319872119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5630/8123/files/54030253425.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8062/3015/files/mepamosapafebufilakamal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5797/1362/files/stewart_calculus_6e.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7633/7318/files/kajemekiwizukosik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2630/0575/files/dotex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6057/5908/files/learn_portuguese_for_beginners.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4484/7261/files/7599864603.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005565.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5565 5076 bytes
SHA-256: 13597f2ca5e4713a2a2b1d2f0e19d656dfbd33e684fc86f4d7ff117dff390c5e
font_01_sfnt_off000066ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66AB 10128 bytes
SHA-256: e214ed83e310ea25e0b9178abb3df7b7c61a6a53eee46688a0dd76da021f3b1d
font_02_sfnt_off00008921.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8921 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e