Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb0334930067c8d6…

MALICIOUS

PDF

60.7 KB Created: 2020-08-19 06:44:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1d18a5e188d7839a20693cd1bd64d174 SHA-1: 3019e89b89baa575c01c69d312f197876ea2c942 SHA-256: bb0334930067c8d6bdae768173008d17bcc2e8f0123e4ee3645fd1d595764427
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to `ttraff.cc`. The document body, though heavily obfuscated, contains the same URL, suggesting the primary intent is to trick the user into visiting this malicious site. The PDF also contains a large number of external links, many hosted on `cdn.shopify.com`, indicating a link farm for SEO manipulation 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.cc/pify?keyword=neurological+examination+pediatrics+pdf In PDF document text
    • http://mokipiges.rainierdrainageimprovementco.com/uploads/1/3/1/8/131856935/wukarepuj_siritulazafiva.pdfIn PDF document text
    • http://files.shannondrhodes.com/uploads/1/3/0/8/130873907/1944747.pdfIn PDF document text
    • http://files.ancientwavestudios.com/uploads/1/3/1/4/131483685/kinawa.pdfIn PDF document text
    • http://merolora.montaupcc.com/uploads/1/3/2/6/132681579/ruganar-xadixiremujaba-fofukinixiga-bimatudikaturu.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/1/0433/6248/4392/files/43466431388.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70354855800.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5959/9777/files/julie_mcmahon_energizer_bunny.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9218/1153/files/tulerijolerifojaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4841/8973/files/cbse_maths_book_class_10_solutions_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2411/3049/files/hyphenated_words_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0044/7655/files/susubomula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9086/8379/files/14079395900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3874/4476/files/54168867687.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0942/6079/files/physical_science_grade_11_exam_guidelines_2018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1826/4469/files/contour_map_worksheet.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 8

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_off0000b06d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB06D 5512 bytes
SHA-256: ba8d98c998e1b832171d0096c7a853f5c3feebb51e06b9380a4e4db22806742b
font_01_sfnt_off0000c323.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC323 10084 bytes
SHA-256: a727427fc28178e7a143893ee2667372d4b2309c1ab08bbe37e205bee6d96c13

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