Malicious PDF — malware analysis report

Static analysis result for SHA-256 38a15c3a70382401…

MALICIOUS

PDF

36.5 KB Created: 2020-08-18 17:46:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f6852f14b46c2c7a198769f08301847c SHA-1: f373c1f24f0ad9e24d011047e03728af66affbdc SHA-256: 38a15c3a70382401ab5fcc992a5c57e040a588b362d7d439a656d5b34289fad9
194 Risk Score

Malware Insights

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

The PDF document exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. One prominent URL, 'https://ttraff.cc/pify?keyword=answered+prayer+lisa+bevill+bob+carlisle+lyrics', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to lyrics and a redirector URL, suggesting a lure to a malicious site. The presence of a link farm and a malicious redirector indicates an attempt to lead the user to harmful content.

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=answered+prayer+lisa+bevill+bob+carlisle+lyrics In PDF document text
    • http://lawujixu.poetryjockeys.nl/uploads/1/3/2/8/132815154/wafelejabagik-danibepupoz-litazak-waxomoluvewi.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/1/0433/7221/6483/files/regex_in_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1034/2563/files/exercices_accords_toltques.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7632/1434/files/4858712053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1532/3291/files/tazikuxekigulojasudukiviz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6609/6806/files/20083314380.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7949/9940/files/dofasidepelif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2932/3158/files/desus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2788/9302/files/vafizadozamepaxuvobazituv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6119/0559/files/vabuzowogojepitat.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_off0000507b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x507B 5448 bytes
SHA-256: aeb1d9103760ed350f23d0de018f453332a1aef6af926b69da030f2a7c9ae932
font_01_sfnt_off00006315.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6315 9832 bytes
SHA-256: 1b2582102cafce22f84b90f9d09e4cd70123d61aef6cdc0f75759251b6d76155

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