Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e5842f069497caf…

MALICIOUS

PDF

50.4 KB Created: 2020-08-03 06:00:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 187657b668655966f9cc18131271b994 SHA-1: 60a6d9a070ee540cb55269447b7d4c6ae9341493 SHA-256: 5e5842f069497caf33b81f9f43ee3f24d70dbcc6dc603da0ff2fdd8586bd9ca0
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector link, indicating a phishing or scam attempt. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' strongly suggests the document's purpose is to trick users into believing they will receive a prize or parcel, requiring them to click a link. The embedded URL 'https://ttraff.cc/pify?keyword=java+pong+game' is a known malicious redirector, likely leading to further malicious content or phishing pages.

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=java+pong+game
    • http://files.teachloveinspirecreate.com/uploads/1/3/0/7/130775182/bbb9b460.pdf
    • http://files.blackbeltherbs.com/uploads/1/3/2/6/132695354/cce462c5abfc6.pdf
    • http://lobupume.myfmadvertising.com/uploads/1/3/2/6/132695278/6497381.pdf
    • http://files.fxlda.com/uploads/1/3/1/8/131871745/c247afad1f0a080.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0437/0235/4070/files/book_of_vile_darkness_3._5e.pdf
    • https://cdn.shopify.com/s/files/1/0429/0271/6572/files/21867089247.pdf
    • https://cdn.shopify.com/s/files/1/0428/4763/3575/files/raratix.pdf
    • https://cdn.shopify.com/s/files/1/0429/9928/3861/files/45218940780.pdf
    • https://cdn.shopify.com/s/files/1/0428/7037/4559/files/gemesomebarod.pdf
    • https://cdn.shopify.com/s/files/1/0432/3626/2052/files/fishing_knots.pdf
    • https://cdn.shopify.com/s/files/1/0436/6984/8217/files/tasazolaviruxowumalebuv.pdf
    • https://cdn.shopify.com/s/files/1/0441/2401/2696/files/34627980335.pdf
    • https://cdn.shopify.com/s/files/1/0434/1596/1762/files/fakewasutoduwikufum.pdf
    • https://cdn.shopify.com/s/files/1/0435/8373/3915/files/vebipimapurip.pdf
    • https://cdn.shopify.com/s/files/1/0437/8266/8437/files/75875255113.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007c15.bin
2ecad37acf08c5e7463669f81df36115acfa3dc116fada69ac1fcd15ff989201		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C15 4880 bytes
font_01_sfnt_off00008cb4.bin
7c42110570455c4346c620a53ff7f33163a476669258d74dd6bb875f0447cdf1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CB4 15232 bytes

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