Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8ab2c5bbd854596…

MALICIOUS

PDF

67.9 KB Created: 2020-08-27 19:30:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1cc2c8e0168672b7b6b92e4d7b6f0a3f SHA-1: 87e392b4995bf9900d9e728fb3641018ba0695f7 SHA-256: f8ab2c5bbd85459616c0e3973b7ff440f975920895d9592c8378d3f44fe88580
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a lure to external content. The primary intent appears to be redirecting the user to a malicious site, likely for phishing or malware delivery.

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=instagram+template+question In PDF document text
    • http://files.dandressler.com/uploads/1/3/0/7/130775098/soxuz.pdfIn PDF document text
    • http://files.calvarybaptistemporia.org/uploads/1/3/1/4/131437983/ea0ea18dcabf6.pdfIn PDF document text
    • http://sijotexun.graceforthebroken.org/uploads/1/3/2/6/132695780/vexemawepogu.pdfIn PDF document text
    • http://files.davisonavenuepta.com/uploads/1/3/1/4/131438658/6790862.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/1/0440/4668/0214/files/13307987219.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8402/9854/files/piniguwurafimonape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4886/9789/files/articulaciones_del_pie_y_tobillo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1690/3080/files/shut_em_down_open_up_shop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7981/1750/files/wordly_wise_3000_book_8_lesson_6_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6939/9452/files/17826870182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3406/6594/files/88516502865.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4410/8453/files/26880139990.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2452/2143/files/atresia_adalah.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6196/8025/files/wefirexuvirapi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6911/1449/files/babamodejukijo.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007918.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7918 6676 bytes
SHA-256: 8c7d19c5f97f84c488b30f3d1e2415ab561a2bff7dbc97f4405e82db792a7af7
font_01_sfnt_off000089ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89EE 5084 bytes
SHA-256: 125b5d7fa5ef093cda81daa63580ee20fbb67ac6297e51f5bcc20c85410f398b
font_02_sfnt_off00009b08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B08 9724 bytes
SHA-256: e930e9d991c1b74737d9c18c0266a32551dda4f004cff96146c666d887b69fe4
font_03_sfnt_off0000b942.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB942 10496 bytes
SHA-256: 958c3295ef9d29d51c09140ce3b8a87c50f94f44dd5d787570e229c28bcdccb8
font_04_sfnt_off0000dd31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD31 16388 bytes
SHA-256: 427558651cc0f5bb9ab1f262449aa9ead0e76e269d5605724c79589a4c58aef2
font_05_sfnt_off0000f316.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF316 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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