Malicious PDF — malware analysis report

Static analysis result for SHA-256 980f8738c305a336…

MALICIOUS

PDF

49.1 KB Created: 2020-08-14 00:46:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 91bdf58c5fc5d4d8fb528f6613803463 SHA-1: f07d9be3601b2f3dd2f9a5b50ca0857c813b7e59 SHA-256: 980f8738c305a336642141671bc8eb405be68f6d2763395a3912b2b3c94d45f1
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'linen or egyptian cotton sheets' and the malicious URL, suggesting a lure to a phishing or scam page. The presence of a malicious redirector link indicates the primary intent is to lead the user to a harmful external resource.

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.cc/pify?keyword=linen+or+egyptian+cotton+sheets
    • http://files.rollsroyceweddingcarsuk.com/uploads/1/3/0/7/130739202/fubela-guvezeweru-zipuronerawu-jedewoso.pdf
    • http://letexiju.lbidreammakers.com/uploads/1/3/2/8/132814930/tasosupam-nedoz.pdf
    • http://files.peoriasupertow.com/uploads/1/3/0/7/130740212/dupiroxaki.pdf
    • http://files.mihlsa.com/uploads/1/3/2/6/132681611/2ccf9bfe820f1.pdf
    • http://kodido.thesweatyequestrian.com/uploads/1/3/2/6/132681504/2027144.pdf
    • https://cdn.shopify.com/s/files/1/0431/3461/5708/files/55058812165.pdf
    • https://cdn.shopify.com/s/files/1/0437/1460/9305/files/gosevo.pdf
    • https://cdn.shopify.com/s/files/1/0434/5580/7654/files/firekijugaxijuguxoge.pdf
    • https://cdn.shopify.com/s/files/1/0434/1592/8997/files/16790165817.pdf
    • https://cdn.shopify.com/s/files/1/0433/8037/5704/files/sybex_cisa_study_guide_4th_edition_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/7634/6266/files/86349590435.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sebifoxof.pdf
    • https://cdn.shopify.com/s/files/1/0436/0660/5987/files/18507830800.pdf
    • https://cdn.shopify.com/s/files/1/0432/6519/6197/files/alligation_and_mixture_short_tricks.pdf
    • https://cdn.shopify.com/s/files/1/0438/5685/5190/files/bullying_psicologico.pdf
    • https://cdn.shopify.com/s/files/1/0438/4702/4805/files/garden_mania_2.pdf
    • https://cdn.shopify.com/s/files/1/0430/8172/8151/files/23274278336.pdf
    • https://cdn.shopify.com/s/files/1/0435/6728/4387/files/craftsman_dlt_3000_owners_manual.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_off00008358.bin
fd78c647c3db101a469499e94511e91639869bff5add00a461571e1c83650e0e
pdf-font-stream PDF embedded font (sfnt) at offset 0x8358 5208 bytes
font_01_sfnt_off00009512.bin
11a6aa6490f477f665381185133309e447d13a2862c6c787dc4aeaebd72c7e2b
pdf-font-stream PDF embedded font (sfnt) at offset 0x9512 10120 bytes