Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdb495637b61bec6…

MALICIOUS

PDF

42.0 KB Created: 2020-08-18 22:10:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2ddb10e78c136952687736cbde4ef1b9 SHA-1: eda6a1ef56c3ce8ddfa9a6f4a6def76d76165dc3 SHA-256: bdb495637b61bec65267edda58688cfce08aa8a651758dd817085d185874ce35
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=mac+reduce+pdf+file+size+quartz+filter', which is also flagged by heuristics as a malicious redirector. This suggests the PDF is part of a link farm designed to trick users into clicking malicious links, likely for phishing or malware 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=mac+reduce+pdf+file+size+quartz+filter In PDF document text
    • http://futezo.drkesconcrete.com/uploads/1/3/1/0/131070761/feb05e95403ea.pdfIn PDF document text
    • http://sevepe.artworkshopsatjervisbay.com/uploads/1/3/2/6/132681670/pofojuluwiv_kilasebuw_lokazovov.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/1/0431/7157/8024/files/sutezeluzod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2125/files/47243532195.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1051/2280/files/visual_reinforcement_audiometry.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8716/7645/files/82380283943.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7460/8545/files/naruto_shippuden_english_dubbed_torrent.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3305/0779/files/winalipadulagoval.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4509/3530/files/fenagewazer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1536/5020/files/lemarin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9493/3665/files/jagozadogusor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2037/6474/files/felivixakabepan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5458/8316/files/cambridge_english_practice_tests_plus_first_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9090/3193/files/41907037702.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 1

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_off00006549.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6549 5332 bytes
SHA-256: cb821ad71c089ad14142f72df4eab5e012dc167a2528f9482f6dd3565fcbd403
font_01_sfnt_off0000777f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x777F 10468 bytes
SHA-256: c0ac78e037e34b9f1c2b876427fe2f36a0cb2c6899e0f20df3d3cc9326bda97d

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