Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e092e07dd98a244…

MALICIOUS

PDF

61.6 KB Created: 2020-08-12 02:57:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 106a208f7e716054e71b38b38d910316 SHA-1: b98c39f449830e3cf22122dfcae597e7a0f8c574 SHA-256: 2e092e07dd98a2440fda4b46d149f07698dae864f06215862a107c126415c2a4
194 Risk Score

Malware Insights

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

The PDF contains a lure for fake invoices or payments, as indicated by the 'SE_INVOICE_LURE' heuristic. It also features a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=bookkeeping+controls+workbook+pdf', which is a critical finding. The document body, though heavily obfuscated, contains the same malicious URL. The presence of numerous external PDF links, including one to a Shopify domain, suggests a link farm for SEO poisoning or distribution.

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.ru/pify?keyword=bookkeeping+controls+workbook+pdf In PDF document text
    • http://files.inthezonebar.com/uploads/1/3/0/7/130739340/8329762.pdfIn PDF document text
    • http://files.whatthefoodfilm.com/uploads/1/3/2/8/132815866/3731003.pdfIn PDF document text
    • http://files.perrysbarandgrille.com/uploads/1/3/0/7/130774964/lodowuwoleja.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/1/0431/1128/4893/files/13430238096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2331/8683/files/aptis_reading_practice_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9902/1717/files/77694493224.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8481/5259/files/aiims_bsc_nursing_entrance_exam_previous_year_question_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8684/7904/files/92341998220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2484/2906/files/94931971234.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2958/4293/files/bradford_pa_weather.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8959/0427/files/bronconeumonia_bovina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5564/3813/files/52469004977.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dadimutixiwukigojubiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5792/9623/files/sakura_dungeon_luck_statue.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
🗂 Part of campaign: believethebestisyettocome.com 6 samples

Related samples 7

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_off0000b315.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB315 5456 bytes
SHA-256: b367aa9f326f3d5d5da42941b703ebf180fded3d8713c606b8fa6650754d40ba
font_01_sfnt_off0000c5c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5C6 10472 bytes
SHA-256: de0a4a08921a537e57277ede65688c41c18dc21cccd3556d181346dd9031274a

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