Malicious PDF — malware analysis report

Static analysis result for SHA-256 bcbccc9f28970798…

MALICIOUS

PDF

43.4 KB Created: 2020-08-24 05:33:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1f6cfea1d5c7d20635b8aa658d7d7783 SHA-1: 0f243db36733456fb34e4d96d1ab4bee91628de6 SHA-256: bcbccc9f28970798b9eabbf67776f1d5debd43c0bfaee809e3a4f442b4c48808
202 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to obtaining a free credit report, aligning with the SE_INVOICE_LURE heuristic. The primary malicious link is https://ttraff.ru/pify?keyword=website+to+get+annual+free+credit+report, which is likely used to redirect the user to a malicious site. The PDF also functions as a link farm, with many links pointing to Shopify domains, likely for SEO manipulation or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.ru/pify?keyword=website+to+get+annual+free+credit+report In PDF document text
    • http://files.bettyscountrykitchen.com/uploads/1/3/1/4/131482976/wamiketez-daporapigugid-rakef.pdfIn PDF document text
    • http://files.charlescityelectronics.com/uploads/1/3/1/1/131163960/rogafipovuxum.pdfIn PDF document text
    • http://files.kmcauthor.com/uploads/1/3/0/8/130874329/lobagaluju.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/1/0435/4369/1413/files/jadifewusesamujuwelusibir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/4172/2261/files/conduction_system_of_the_heart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7146/3831/files/bibojumekagaganaxeme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7199/5030/files/xunepetuxawivomaxoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botezosural.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8863/4263/files/32741766189.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1900/0229/files/tozezemejemupuworesekid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0161/8330/files/18940209964.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5930/4865/files/dbz_android_19_death.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_off00006ace.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ACE 5476 bytes
SHA-256: 6848a654073ef0dc257ffecd8f6ae4ae0ee21d44c50eb19fb1ae91d66b1eb427
font_01_sfnt_off00007d80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D80 10468 bytes
SHA-256: b85a8bc44a8a5d10bcc27ef4d7e897b8192e12f6a59d5024bbfc8b0079ba5fba

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