Malicious PDF — malware analysis report

Static analysis result for SHA-256 d017564cc538581a…

MALICIOUS

PDF

40.6 KB Created: 2020-08-23 13:03:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: be6d5eb4e1a99e41c7cf31f5f9b4dcad SHA-1: b02c6e11d88f781cf803a2f9c0ad39c215050e33 SHA-256: d017564cc538581a868d207eb15ebe724bd38c13550e3e47337023703c0625c8
202 Risk Score

Malware Insights

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

The PDF document contains a link that redirects to a malicious URL, disguised as a download for Adobe Photoshop. This is further supported by heuristics indicating a malicious redirector link and a link farm designed for SEO manipulation. The presence of a visual download button lure reinforces the social engineering aspect of this attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=adobe+photoshop+7.+0+free++filehippo In PDF document text
    • http://razetix.artswithaheart.org/uploads/1/3/0/7/130776078/7c726b51664.pdfIn PDF document text
    • http://files.wicksteadhorseplay.co.uk/uploads/1/3/0/8/130874284/6d9bea8a881902.pdfIn PDF document text
    • http://rojululo.tessagoss.com/uploads/1/3/0/8/130874254/mivemugava.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/1/0438/2749/5072/files/hunger_games_book_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9717/0847/files/33691336650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7437/9157/files/brownian_motion_and_stochastic_calculus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6794/6648/files/gorinasulixaxisu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4624/8358/files/mitato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8038/4674/files/sejagiboluvomiso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6548/3172/files/elaine_marieb_anatomy_and_physiology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3928/4645/files/70739581065.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0837/6482/files/django_url_template_tag_get_parameters.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1415/2607/files/xofetuzoxebuzoxuwomap.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 4

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_off00005fd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD4 5300 bytes
SHA-256: 6552472b7906b44f1894c718e57e43f1d927de50f0c48d20235e5c72abd1f053
font_01_sfnt_off000071e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71E6 10492 bytes
SHA-256: 0a0d32f2c93ae885d2e9276103f301dc778d336e6660debcbd2a563c2506a9a3

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