Malicious PDF — malware analysis report

Static analysis result for SHA-256 183056ef70169593…

MALICIOUS

PDF

49.4 KB Created: 2020-08-11 23:27:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f60eda805c26a070817ad73ce84093c2 SHA-1: 7311921bf17528893790d1596ecc885cb5589592 SHA-256: 183056ef70169593f63db4c2638371578f612600e3dbddbfc045ba6a80185c18
194 Risk Score

Malware Insights

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

The PDF contains a lure related to 'advantages of internet in urdu pdf' and embeds numerous links, including one to a known malicious redirector. The ML classifier also flagged this PDF as malicious. The presence of embedded links and the redirector suggests an attempt to lead the user to malicious content, likely as part of an advance-fee scam.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=advantages+of+internet+in+urdu+pdf
    • http://files.innovativemindfulsolutions.com/uploads/1/3/2/8/132815767/sasomozabelow.pdf
    • http://files.visionworksmultimedia.com/uploads/1/3/1/4/131482952/tewasojofexowas_mejozo.pdf
    • http://files.sandrapaolalopez.com/uploads/1/3/0/8/130814115/fozatiwasejij.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0432/4166/8775/files/884188770.pdf
    • https://cdn.shopify.com/s/files/1/0432/1617/5263/files/gorovonidupube.pdf
    • https://cdn.shopify.com/s/files/1/0432/1394/7048/files/53130342259.pdf
    • https://cdn.shopify.com/s/files/1/0453/6195/4971/files/29613441058.pdf
    • https://cdn.shopify.com/s/files/1/0431/0591/0933/files/42941896882.pdf
    • https://cdn.shopify.com/s/files/1/0431/0587/8170/files/belisako.pdf
    • https://cdn.shopify.com/s/files/1/0428/1047/4663/files/juwodobunubut.pdf
    • https://cdn.shopify.com/s/files/1/0434/3355/8168/files/91602503133.pdf
    • https://cdn.shopify.com/s/files/1/0434/5679/0695/files/tujaxamafaxixan.pdf
    • https://cdn.shopify.com/s/files/1/0430/6301/7629/files/nabatorukobuvutagexif.pdf
    • https://cdn.shopify.com/s/files/1/0438/6455/5675/files/wagel.pdf
    • https://cdn.shopify.com/s/files/1/0427/9628/6111/files/difag.pdf
    • https://cdn.shopify.com/s/files/1/0432/1627/3576/files/diferencia_entre_bactericida_y_bacteriostatico.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c71.bin
8db914c8b447c1118fd2c02fde5fd0b6a68be0b95c46e0a5d3369f43e44d50c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C71 5536 bytes
font_01_sfnt_off00007f99.bin
8a45515d4bda7a0c192fd03dcd94c5485ef01683c9541b650d00ff76650e8489		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F99 5228 bytes
font_02_sfnt_off0000917b.bin
a9e59b247b805725be1eb53c12f40827ebba09365f54fbdb8c34d12cec12c0ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x917B 11688 bytes

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