MALICIOUS
148
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The presence of a callback lure heuristic indicates a potential phishing or social engineering attempt. The primary malicious IOC is the redirector URL, which likely leads to further malicious activity.
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Embedded URL info EMBEDDED_URLOne 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=helvetica+chimica+acta+template
- http://diralemuf.cherokeeiowahistory.com/uploads/1/3/0/7/130738615/7678507.pdf
- http://sikujos.agefriendlysarnia.com/uploads/1/3/2/6/132696056/lerur.pdf
- http://files.friendsofhuggins.org/uploads/1/3/1/4/131407818/7696526.pdf
- https://cdn.shopify.com/s/files/1/0437/7971/9330/files/job_offer_confirmation_letter_template.pdf
- https://cdn.shopify.com/s/files/1/0438/2933/0082/files/surah_yasin_sharif_gujarati.pdf
- https://cdn.shopify.com/s/files/1/0431/8448/8610/files/aws_security_blog.pdf
- https://cdn.shopify.com/s/files/1/0434/0973/5845/files/zuwepid.pdf
- https://cdn.shopify.com/s/files/1/0430/2408/9242/files/kudupotuzozejuzazas.pdf
- https://cdn.shopify.com/s/files/1/0427/5086/9671/files/cantaloupe_island_eb.pdf
- https://cdn.shopify.com/s/files/1/0431/1161/2572/files/a_level_biology_revision_notes_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/1911/6449/files/1031650798.pdf
- https://cdn.shopify.com/s/files/1/0428/5582/5567/files/62862677696.pdf
- https://cdn.shopify.com/s/files/1/0437/4121/6929/files/jusitipuxatobabukovisuz.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_off0000a19e.binc5a9803c3ab5b23aa6b163a10ad2d9878ebe0ace5e02db43325a92104e8779a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA19E | 4920 bytes |
font_01_sfnt_off0000b23a.bin016e7d36fbd179386137b5f8adc48f655919e0b9d2863da67d448484a46b83b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB23A | 10616 bytes |
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