Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8d63b042f5fe298…

MALICIOUS

PDF

41.8 KB Created: 2020-08-25 02:12:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 90df39ab6788a4c3004d5dc1f58b1f54 SHA-1: 6ad7723668c70c1817e46b68c59022d780261be9 SHA-256: e8d63b042f5fe2988ae9ded76b9c339555f6a269310ecfc92ee2a8754aead515
194 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO poisoning. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure at https://ttraff.cc/pify?keyword=smoke+action+photoshop+free. This suggests the document is designed to trick users into clicking malicious links under the guise of providing free resources, ultimately leading them to harmful sites.

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=smoke+action+photoshop+free In PDF document text
    • http://files.ssaaalbury.com.au/uploads/1/3/1/3/131378993/5943074.pdfIn PDF document text
    • http://files.richardblakeweddings.co.uk/uploads/1/3/0/7/130738928/gopazotaketuwopokave.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/1/0428/4186/6403/files/megaman_4_rom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9569/4239/files/5709370544.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6212/2903/files/clorox_bleach_wipes_msds_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6500/6494/files/happy_birthday_song_video_tinyjuke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1484/8671/files/15614246038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9164/6880/files/73368194281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7728/6553/files/vutojumanoliminozupimelev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5657/9228/files/storytown_grammar_practice_book_grade_6.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0982/5176/files/ar_25_11.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0799/1208/files/canon_rebel_cannot_format_card.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2214/8003/files/51865046644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2743/9526/files/luvabemetepaba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5108/8032/files/star_trek_voyager_torrent.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005fc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC1 5388 bytes
SHA-256: 9ef4863b8d9bd1650facb231de620de8cfdf80c9a14d3ceb119cfec138465067
font_01_sfnt_off000071e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71E1 12296 bytes
SHA-256: 84cb2132ed7cd84187454233e462143850cafce87c0e2d8183e8d7f523b589c6

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