Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a58d38d1d819a37…

MALICIOUS

PDF

44.8 KB Created: 2020-08-19 14:15:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6407cfe991b93e236f79f4c533e1102c SHA-1: 84db1bfdb3a68b9d873d9b12fc3e17d78ee9a101 SHA-256: 3a58d38d1d819a37b7d312a83ddbbf8c481b8df68285ac3843a9d0df3d43f6c1
194 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify-hosted PDFs. A critical heuristic identified a direct link to a known malicious redirector, ttraff.com, which is likely the primary malicious payload delivery mechanism. The document body contains garbled text and the URL for the redirector, suggesting a lure to trick users into clicking the malicious link.

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=buddha+badrinath+cartoon In PDF document text
    • http://jamofeda.marycollinshomes.com/uploads/1/3/0/7/130738799/5339328.pdfIn PDF document text
    • http://files.fromtherootsuphealing.com/uploads/1/3/1/4/131453681/piterikagoje.pdfIn PDF document text
    • http://xuraxo.sljdivinelyfired.com/uploads/1/3/1/8/131856257/db1339f2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4899/1910/files/california_dmv_permit_test_2018_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3888/3485/files/sesodakifuguso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5012/3943/files/tipping_point_book_summary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8178/4726/files/bsc_books_and_notes_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0210/1923/files/sabaxojamapaviriguvipi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7249/5519/files/mewisiromememafiwadolurup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3796/4960/files/69323049583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/30407043817.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1560/2337/files/vukumitikut.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 3

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005865.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5865 5008 bytes
SHA-256: 1c76324cd5208dcacba8883ac1572e99b0512dd97ae69312391591ada6d8b7e3
font_01_sfnt_off00006955.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6955 10444 bytes
SHA-256: 9b73be89577a44fd80492793ba204510b5d1ccdf09aa2d02b83c6178d650a18d
font_02_sfnt_off00008d09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D09 7372 bytes
SHA-256: f820b0517f8600bd1118f70bc5268437d38351526d960b5b3163085b42819f44

Open this report in the interactive analyzer, or submit your own file for analysis.