Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3062cf0b56437da…

MALICIOUS

PDF

39.7 KB Created: 2020-08-08 00:12:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: face354a79fe1f81106f3fbd12cef467 SHA-1: 7bee98ab64a38ea1301c789708daeccb8e9e510e SHA-256: f3062cf0b56437dae46e578783138574da8a92178d928987aa2d1444d4a97af6
202 Risk Score

Malware Insights

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

The PDF contains a call-to-action button and embeds a URL that points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'request letter for bank statement pdf' and the malicious URL itself. This suggests a phishing attempt designed to trick users into navigating to malicious infrastructure.

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.ru/pify?keyword=request+letter+for+bank+statement+pdf In PDF document text
    • http://files.aedpfingerlakes.org/uploads/1/3/1/6/131606393/87805c9f39.pdfIn PDF document text
    • http://files.peggyjoyceruth.org/uploads/1/3/1/8/131856539/6274076.pdfIn PDF document text
    • http://files.grendylbayn.com/uploads/1/3/2/7/132710601/bemexugulu-fasoxojijavosek-nekerav-batuj.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/1/0428/7610/8956/files/40929045408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/2219/2537/files/surah_ar_rahman_full_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1045/7753/files/biology_class_10th.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nanejixiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2280/9250/files/kotisewulivitaji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5719/2853/files/blender_merge_vertices.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5576/7967/files/addition_and_subtraction_decimals_word_problems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8362/0757/files/antigone_trke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0579/5752/files/34057356166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4410/8445/files/roll_a_d20.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6045/3785/files/1883482777.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 5

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_off00005d6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D6D 5524 bytes
SHA-256: 8342c9f091393b75d0cdf6a158f786b289cd5934ba791b8af66dd2cda0b06aee
font_01_sfnt_off0000701f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x701F 9944 bytes
SHA-256: 60663476cb3d248b2ae91580ce3e5ddf2b0e4a83a8b288cf787d14e9bbd6021b

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