Malicious PDF — malware analysis report

Static analysis result for SHA-256 45c117403a2e5793…

MALICIOUS

PDF

145.3 KB Created: 2020-08-11 16:47:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 190467893ac32a533631cff4977246b6 SHA-1: f89d7e9055e3866d9ad37a6c36c97d0d07b4603a SHA-256: 45c117403a2e57930856b63e44c84074dc78e28ee136b3483361bcfaaedd1d63
202 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a redirector URL, which is a common tactic for phishing or malware delivery. The document body, though heavily obfuscated, contains text related to 'Anastasia guitar tab pdf' and a URL that is flagged as a malicious redirector. The presence of multiple links to external PDFs, including one to a known malicious redirector, suggests an attempt to drive traffic to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.com/pify?keyword=anastasia+guitar+tab+pdf In PDF document text
    • http://files.vegsense.net/uploads/1/3/1/4/131437376/rinulusojepibok-koxol-nunowavije-pagezosab.pdfIn PDF document text
    • http://files.hiohia.org/uploads/1/3/0/7/130739553/jutapotaf_wipoxi_ralikilopopabos.pdfIn PDF document text
    • http://files.professionalpropertytraining.com/uploads/1/3/1/3/131398374/lotetalenasitododalo.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/1/0429/8565/2375/files/19650544162.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0839/3369/files/davuretita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13336488851.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3755/6899/files/25195699451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2997/8526/files/dinobufinovima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3264/0664/files/89474178064.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7341/3032/files/75303345691.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6797/4556/files/kexekutezut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1657/5383/files/augusto_comte_livros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5883/2294/files/lujezubalu.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001fb0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1FB0E 5308 bytes
SHA-256: 5dc02cd00390bca3fae194356b89f6bb836f7e1d13b33f5315ba212e602dfec9
font_01_sfnt_off00020d19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20D19 13648 bytes
SHA-256: 652f3365016fe1295bb76b3f3e1a378fb9a3b65acbe96675862d4f0cdea169a2