Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae2b9e74333e6569…

MALICIOUS

PDF

46.0 KB Created: 2020-08-27 18:10:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a500b74595694a55e0e953e882d52a43 SHA-1: 9660eb7e9059d17ca97f2e6d14bed250694c6e86 SHA-256: ae2b9e74333e6569131b9280a39fadaf63a94cbdceaaeda51f5c6d13dd635307
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=samsung+ht+bd1250'. This indicates the document's primary purpose is to redirect the user to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility. The document body, though heavily obfuscated, contains the same product keyword and the malicious URL, reinforcing the lure.

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=samsung+ht+bd1250 In PDF document text
    • http://files.mychinesewatch.com/uploads/1/3/1/4/131406629/cf526fee.pdfIn PDF document text
    • http://files.akadeltapsiomega.org/uploads/1/3/2/6/132696274/nasubetoki.pdfIn PDF document text
    • http://files.yogawithsarah.org/uploads/1/3/0/7/130776041/runitubiwu.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/1/0432/2902/0317/files/75767157379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3859/6510/files/form_llc-_12.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4492/0734/files/world_political_map_high_resolution_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2296/5160/files/zosikokosivajorapomegixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7962/1026/files/44992180583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8821/4171/files/2d_arrays_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6888/3106/files/dojudufevizujepome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7154/6279/files/58450635416.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_off000075a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75A9 5804 bytes
SHA-256: 419d7cfe4c1992081703a2017934977b923727f592626464fd372fcadb952095
font_01_sfnt_off0000893f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x893F 10144 bytes
SHA-256: 1be3068482bb11cabea4f009caa4a8a43181c466b0ce47652352a67166d11d5f

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