MALICIOUS
150
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 Shopify domains, but one critical link redirects to a known malicious domain (ttraff.ru). The document body, though malformed, contains text related to a course and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.ru/pify?keyword=curso+segunda+parte+biomagnetismo+pdf
- http://files.artfromalice.com/uploads/1/3/2/3/132303373/9791934.pdf
- http://files.explorationsinteractive.com/uploads/1/3/2/6/132681647/74355d9a002ae.pdf
- http://files.b-cozyhomedecor.com/uploads/1/3/0/9/130968921/vepapepawexibaputu.pdf
- http://potazot.pieterwielick.com/uploads/1/3/0/7/130775436/4458115.pdf
- https://cdn.shopify.com/s/files/1/0433/7840/9622/files/jedikigotunademibugasexem.pdf
- https://cdn.shopify.com/s/files/1/0431/8117/9048/files/webimabisakejibidizes.pdf
- https://cdn.shopify.com/s/files/1/0431/6754/7546/files/85354210274.pdf
- https://cdn.shopify.com/s/files/1/0428/5127/0823/files/7152346375.pdf
- https://cdn.shopify.com/s/files/1/0433/2158/9913/files/86837172921.pdf
- https://cdn.shopify.com/s/files/1/0431/1682/2692/files/elementary_linear_algebra_8th_edition_solutions.pdf
- https://cdn.shopify.com/s/files/1/0430/3382/1347/files/jafasu.pdf
- https://cdn.shopify.com/s/files/1/0435/3910/3912/files/history_of_anglican_church_in_nigeria.pdf
- https://cdn.shopify.com/s/files/1/0434/1268/4967/files/genie_pro_screw_drive_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/7750/1095/files/nokarisizafogafegoran.pdf
- https://cdn.shopify.com/s/files/1/0434/2661/1357/files/awakening_book.pdf
- https://cdn.shopify.com/s/files/1/0435/9605/4690/files/advanced_system_care.pdf
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/75673479612.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_off000068ef.bin0d833e2ac8fd4cbbeaa0c0a4aabde189bc43415ac17333ba9f3546a0e252ac33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EF | 5376 bytes |
font_01_sfnt_off00007b1a.bin19eaa0f4cb39675820b886a787ac715c8f59b87b2e8fec661a372757d31c5b0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B1A | 11168 bytes |
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