PDF malware analysis — malicious · 1cc7dfcdbbc71204

MALICIOUS

PDF

48.8 KB Created: 2020-08-09 07:25:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8c4a8627d6b6e3c7b42db6c1acebdc3f SHA-1: 5fd072c8523dc62df32f4c744530cd6594430b61 SHA-256: 1cc7dfcdbbc71204c946197adc49009bcf25f16e941a5f308eba940448c057a5

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=jurnal+blanching+pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with 'https://cdn.shopify.com/s/files/1/0438/9155/6504/files/telomirumamodirim.pdf' being the first identified. The document body is heavily obfuscated but contains the same URLs, suggesting a lure to external malicious content.

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=jurnal+blanching+pdf
- http://pijesu.womensfundofep.org/uploads/1/3/1/8/131872225/6324687.pdf
- http://files.aprilallysonabel.com/uploads/1/3/0/9/130969712/d46fc8bbbf549d.pdf
- http://fokox.restorativereins.com/uploads/1/3/1/3/131398140/kowifafewi.pdf
- https://cdn.shopify.com/s/files/1/0438/9155/6504/files/telomirumamodirim.pdf
- https://cdn.shopify.com/s/files/1/0432/3675/3570/files/96723220889.pdf
- https://cdn.shopify.com/s/files/1/0433/9659/5870/files/defazap.pdf
- https://cdn.shopify.com/s/files/1/0429/7729/6543/files/fumusufenoz.pdf
- https://cdn.shopify.com/s/files/1/0438/6455/5680/files/lonely_planet_helsinki.pdf
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/sotajixoj.pdf
- https://cdn.shopify.com/s/files/1/0439/3461/3659/files/understanding_culture_society_and_politics_rex.pdf
- https://cdn.shopify.com/s/files/1/0430/5233/5255/files/princeton_review_sat_physics_practice_test.pdf
- https://cdn.shopify.com/s/files/1/0429/0487/9271/files/98069259120.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/jabimowodarugukomenirug.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowelikuzamutaj.pdf
- https://cdn.shopify.com/s/files/1/0431/7744/3483/files/nafabezizirulek.pdf
- https://cdn.shopify.com/s/files/1/0432/1679/7857/files/demonstrative_adjectives_worksheets_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1718/files/nujorujikororavofe.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00007fe9.bin` `970128e5e00e154456fb3b15815172bd1b3b2a319d6d72b828e7a3342cdd75be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FE9	5368 bytes
`font_01_sfnt_off0000921e.bin` `f08ad602d1d54d4467cb6d5174e73b01a56fd9724276e0fb1c6ef50d556ffcaf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x921E	10536 bytes

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