Malicious PDF — malware analysis report

Static analysis result for SHA-256 acdc3bc61ee76c2c…

MALICIOUS

PDF

122.3 KB Created: 2020-08-06 19:39:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9112c72ff968d12cb76b38044b9b1201 SHA-1: 412e6b33e4a7b281de26a685092c0639f28144ef SHA-256: acdc3bc61ee76c2c873c3d22d6611350590b9e03ab9147a1c302fbf78b0c4e1a
194 Risk Score

Malware Insights

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

The PDF contains a heuristic match for an advance-fee scam lure, and multiple embedded URLs. One URL, 'https://ttraff.cc/pify?keyword=marketing+pdf+notes', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting the primary intent is to redirect the user to malicious infrastructure.

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=marketing+pdf+notes In PDF document text
    • http://lurevemav.monarchtennis.com/uploads/1/3/1/8/131871462/venumataloxu-sejofo-fazijixekuval.pdfIn PDF document text
    • http://files.mevideography.com/uploads/1/3/2/6/132680813/7b1e2.pdfIn PDF document text
    • http://files.rebeccabrillweitz.com/uploads/1/3/0/7/130740444/3305689.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/1/0437/9590/6721/files/fajifibijupufiladozozima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5669/3397/files/23576531299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5804/4827/files/26995785619.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6775/3116/files/950238254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8878/2236/files/ponozifujapurekas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0515/7282/files/vokadiwakitugopum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7077/4693/files/9945152712.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1431/5422/files/the_nutcracker_suite_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7977/0019/files/ruzikopozonola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7587/8564/files/mageputololo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6403/3429/files/80932290055.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7353/5138/files/54285857471.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_off0001a590.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A590 5248 bytes
SHA-256: 4e5f7b9445965bdd6ab09c19b32a10e6f250e2304bd65eb440611d487c8219e6
font_01_sfnt_off0001b78e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B78E 10620 bytes
SHA-256: 30cb73efb72270605fc39ef3137b1e44acc7d5d1c5b1d1743a996562352ec005

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