Malicious PDF — malware analysis report

Static analysis result for SHA-256 517de47df752d113…

MALICIOUS

PDF

33.6 KB Created: 2020-08-12 00:50:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e415772e60c60f3b94dcbd66cff4f95c SHA-1: 0b53afa0f97fb84f4034eec8114ffaa67138c4a6 SHA-256: 517de47df752d113b23da2f4c59a147de371d4da12393f480be54551b5fc6615
202 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including one pointing to a known malicious redirector at 'https://ttraff.cc/pify?keyword=story+central+1+pdf+download'. This indicates a phishing or scam attempt where the user is lured to click a link disguised as a download button. The document body contains obfuscated text and embedded URLs, further supporting the malicious intent.

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=story+central+1+pdf+download In PDF document text
    • http://files.pamelapretty.com/uploads/1/3/1/3/131381374/8211132.pdfIn PDF document text
    • http://files.waltshotrodshop.com/uploads/1/3/1/4/131453348/1867429.pdfIn PDF document text
    • http://files.powdermonkeycayman.com/uploads/1/3/1/1/131164198/7033960.pdfIn PDF document text
    • http://files.kavannahyoga.com/uploads/1/3/1/0/131070674/c31dbe009694.pdfIn PDF document text
    • http://jajuzupo.esquiregames.com/uploads/1/3/0/8/130874422/3858257.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/1/0428/2567/9015/files/rajot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4356/8278/files/madar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9495/0559/files/22839553950.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0906/3586/files/82689319893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8462/7616/files/59137964984.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5249/1159/files/14520999131.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7992/4902/files/catalogue_ikea_2020_maroc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/ramuxezetuxarure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4139/7656/files/sifumusuxakopo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0857/9993/files/85157496486.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_off0000474d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x474D 5320 bytes
SHA-256: b98181747f62402f6f91fc20d6c253f37fd8cb24707b62149be8607ba440e001
font_01_sfnt_off0000598a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x598A 9476 bytes
SHA-256: a1b0cff43fe936a0c0d45854c079f38d65d99b04a28b2a14db5ccf37fef309b8

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