Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a3168566c847f91…

MALICIOUS

PDF

62.6 KB Created: 2020-08-14 18:54:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e3384de2e7d233a8295e9711ac8e2e4c SHA-1: 3ffd9b9668558ea494a862eab2f2a3a1ce20e3aa SHA-256: 7a3168566c847f911787c2aba09deecaaa0f0f134d04e2e8dd05dd672ae1fbe2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF was flagged by multiple heuristics for containing malicious redirector links and a link farm. The primary malicious URL identified is https://ttraff.ru/pify?keyword=the+promised+neverland+isabella+song, which is used in conjunction with numerous other links pointing to benign-looking PDFs hosted on Shopify. This suggests a tactic to disguise malicious traffic as legitimate document downloads. No scripts were extracted, but the structure indicates a phishing or malware distribution lure.

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.ru/pify?keyword=the+promised+neverland+isabella+song In PDF document text
    • http://files.mgracetransitions.com/uploads/1/3/2/6/132682171/dobeni_wonodeneku_miluj_jozotum.pdfIn PDF document text
    • http://files.tresjolielanecove.com/uploads/1/3/0/7/130776887/4427871.pdfIn PDF document text
    • http://nijifav.cpastisradart.com/uploads/1/3/1/4/131438800/xuroti.pdfIn PDF document text
    • http://files.mx.nrvprocessing.com/uploads/1/3/0/9/130969231/c2198676.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/1/0432/9799/6960/files/certificado_medico_cdmx_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5934/5573/files/shadow_of_mordor_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3236/3676/files/vubetefa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9276/2006/files/16362699576.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4090/5128/files/xetana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7542/7735/files/xuxoxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0860/5859/files/juzuneravufosupafuxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9254/8515/files/john_deere_770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1561/7182/files/bhagavad_gita_by_prabhupada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8531/5739/files/57531232770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2937/2821/files/wudasitubikejozurukaputa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ab35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB35 3752 bytes
SHA-256: 564d4f8c4efb3174c576a0ed3ae4a0bf5f139af6634ce7f4400d46372982ed60
font_01_sfnt_off0000b878.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB878 5520 bytes
SHA-256: 7754bba5cd04769ae495e61566d8a44c50850562c5fc08939547149c6d677d6d
font_02_sfnt_off0000cb18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB18 9896 bytes
SHA-256: a7323f262d6464c45bcf6b28af7793d5d01cca951e0f7faa304d83d02cdde9f3