PDF malware analysis — malicious · d5dcc87e207f42df

MALICIOUS

PDF

46.4 KB Created: 2020-09-02 04:47:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 42ebdcfda78f4af04d8daa440e11b9e4 SHA-1: d78f83939b9fc6cca8719c1b8e2843097d470227 SHA-256: d5dcc87e207f42df901104455b67c8d1d32ae89f2f5eca19c998fec47535046e

168 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a lure for 'Whatsapp for android phone apk' and embeds multiple links. One critical heuristic indicates a malicious redirector link to 'ttraff.com', which is likely used for credential harvesting or malware distribution. Another heuristic flags a PDF link farm, with many links pointing to Shopify domains, suggesting an attempt to obscure the malicious destination. The presence of MFA lure heuristics further supports a credential phishing or session hijacking motive.

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.
MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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/wix?keyword=whatsapp+for+android+phone+apk
- https://cdn.shopify.com/s/files/1/0431/3684/3933/files/55504187920.pdf
- https://cdn.shopify.com/s/files/1/0431/7272/4900/files/wordly_wise_book_6_lesson_10.pdf
- https://cdn.shopify.com/s/files/1/0432/3658/9730/files/wapazujerubadep.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38608120386.pdf
- https://cdn.shopify.com/s/files/1/0430/5456/3477/files/62458850178.pdf
- https://cdn.shopify.com/s/files/1/0433/0605/7888/files/lofedekadifipavufu.pdf
- https://cdn.shopify.com/s/files/1/0439/2802/7304/files/8869449212.pdf
- https://cdn.shopify.com/s/files/1/0428/6221/5324/files/makeup_artist_booking_form_template.pdf
- https://cdn.shopify.com/s/files/1/0434/1504/4252/files/59104150447.pdf
- https://cdn.shopify.com/s/files/1/0434/0154/3831/files/lowes_marietta_ohio.pdf
- https://cdn.shopify.com/s/files/1/0437/4586/9975/files/jidonezon.pdf
- https://cdn.shopify.com/s/files/1/0438/2166/2365/files/dovibowutivusime.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_off000077e0.bin` `107457a71b3210fbc5a64bef6e1039fcbd36422a9fcaf0fac7155157cb42a0da`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77E0	5176 bytes
`font_01_sfnt_off00008985.bin` `8b89e0f09e1937382154548680270979c4043b7141992970012d737395679fbe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8985	10288 bytes

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