Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e562970f1adbf04…

MALICIOUS

PDF

49.2 KB Created: 2020-08-22 16:20:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5a609eddc0304c5097d2d7eb1c29f307 SHA-1: 4089e3e695d41fca3342539f1885a11a37752949 SHA-256: 4e562970f1adbf04082e49f1eb316a7d61a525d0c728314a61a47b4d4eb588c7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'college magazine cover design templates' and the malicious URL, suggesting a lure. The primary attack pattern involves tricking the user into visiting the malicious redirector.

Heuristics 3

  • 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.
  • 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=college+magazine+cover+design+templates
    • http://gabozib.sarahinscience.com/uploads/1/3/2/6/132696067/vojowemira_gopufigulowis_fulirawiro_magimeke.pdf
    • http://files.thetimebetweenis.org/uploads/1/3/1/3/131384429/bodubuforavemu.pdf
    • https://cdn.shopify.com/s/files/1/0437/5809/2439/files/12837015523.pdf
    • https://cdn.shopify.com/s/files/1/0432/1869/8400/files/apes_miller_textbook.pdf
    • https://cdn.shopify.com/s/files/1/0432/1656/8482/files/baahubali_2_movie_songs_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/4954/2047/files/ropufipirugata.pdf
    • https://cdn.shopify.com/s/files/1/0434/6842/3330/files/kefaxexipokijubiwu.pdf
    • https://cdn.shopify.com/s/files/1/0438/4024/1829/files/betrayal_harold_pinter_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/5153/2963/files/93004952938.pdf
    • https://cdn.shopify.com/s/files/1/0437/6202/4605/files/administrao_de_recursos_humanos_george_bohlander.pdf
    • https://cdn.shopify.com/s/files/1/0431/7865/5903/files/rihanna_stay_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0689/3985/files/switch_live_stream.pdf
    • https://cdn.shopify.com/s/files/1/0437/7896/5656/files/dovomoluxotafolewid.pdf
    • https://cdn.shopify.com/s/files/1/0427/5847/1846/files/susunaliviza.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007724.bin
9bec21894c8526a32e865b2967fa6625a6a1290ff9895591a7fad1abbf415abb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7724 5408 bytes
font_01_sfnt_off00008986.bin
54d74438872c1240c79d88a055171548d4bcbda73ecc0ce9ef55c8806563ea12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8986 14932 bytes

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