Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0564f374aba7298…

MALICIOUS

PDF

38.2 KB Created: 2020-08-19 13:52:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b28013365dc956d4659c2af98d1fc69d SHA-1: 7513b0b712211844c1d2d4e4a1b588dfef3d99b4 SHA-256: b0564f374aba7298e11845589e846550f0096c81feb38b0267b8a07c01f72083
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=earth+making+of+a+planet+worksheet+answers'. This URL is likely used to redirect the user to a malicious site. The document also contains a PDF link farm heuristic, indicating a large number of external links, many of which are hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the presence of a malicious redirector suggests a phishing or credential harvesting attempt.

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.com/pify?keyword=earth+making+of+a+planet+worksheet+answers In PDF document text
    • http://siweb.carolmeadsart.com/uploads/1/3/1/4/131453960/40bac6d1884291b.pdfIn PDF document text
    • http://files.fuelfitnessbootcamp.com/uploads/1/3/0/7/130776255/boriloxol.pdfIn PDF document text
    • http://files.pallavisastry.com/uploads/1/3/1/4/131437683/bewinetit_kirefikij_nuvanitalikog_lagagux.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/1/0429/6661/4175/files/creo_parametric_3._0_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0324/0871/files/kudajafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1129/2827/files/fiwebogejobubifetugetebix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6859/6123/files/gubimujotupudivubenowa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5847/0810/files/murexelazarefa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8729/8714/files/finijuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6966/8517/files/96398540835.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1376/6293/files/serupisosukusibokebuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9839/7085/files/35055584754.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4014/4534/files/29469155538.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_off000057c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57C2 5428 bytes
SHA-256: fded7eab829edb57b4ccb7f64421c3f7812d4af5b6fa60e7008b8de63da04496
font_01_sfnt_off00006a2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A2D 9884 bytes
SHA-256: 044d09dbc1c10615fee5818581969f50836536ab12d62dbdd68b99517c768d4a

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