Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec3a81f0dbf2708d…

MALICIOUS

PDF

44.4 KB Created: 2020-07-31 20:26:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b3a2f10d6ca3ef4252e350e0761effad SHA-1: 4145025c7bd23c4e077f1bfa22b87facdca264ce SHA-256: ec3a81f0dbf2708de3af37360a0ad95381a5ee6254786729d6683052999017e5
254 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Manual backup iphone to icloud' and includes a critical heuristic firing for 'SE_SECRET_RECOVERY_LURE', indicating it requests sensitive recovery information. It also contains a PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'https://ttraff.com/pify?keyword=manual+backup+iphone+to+icloud', which likely serves as a gateway to malicious content. The presence of numerous embedded links, many hosted on Shopify, suggests a link farm or distribution mechanism for further payloads.

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.
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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=manual+backup+iphone+to+icloud In PDF document text
    • http://files.zicklinfaa.com/uploads/1/3/0/8/130873921/25e372f1545e2c7.pdfIn PDF document text
    • http://files.doggievilleranch.com/uploads/1/3/0/8/130814246/eff367d.pdfIn PDF document text
    • http://files.beamfitness.ca/uploads/1/3/1/3/131398259/tubemegijajaxolumuja.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/1/0431/9143/5422/files/55339916546.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52945462890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4920/5405/files/tupimupefagopamefegazujo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2624/9885/files/sowewidevamoditefa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8904/4383/files/wuxabuxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1752/7715/files/vibakirofunukiwuxozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3000/3358/files/zuzonu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7188/7767/files/dukevasowelebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4031/8375/files/nupolafufebejew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2182/0313/files/7509094598.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 2

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_off00007063.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7063 5096 bytes
SHA-256: 7a7fb492ed40ec670efc3b1bf17bb208e6feae7c5996ec4086c530d193723a42
font_01_sfnt_off000081bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81BD 10340 bytes
SHA-256: 9350062dfac524fcc1915dd48bc5d16a032099da290f933bcbf6337dbd2ee159

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