MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
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 the string 'https://ttraff.cc/pify?keyword=square+root+matlab', indicating a lure to a malicious site. The PDF SEO Link Farm heuristic suggests a large-scale effort to distribute malicious links via PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=square+root+matlab
- http://files.phillipsmathandphysics.com/uploads/1/3/1/3/131398362/rapubusalawif-potikoratum-gakada-kibamopivasigev.pdf
- http://files.elkhornvalleyhrc.com/uploads/1/3/0/8/130874612/8397628.pdf
- http://files.minniemightietopics.com/uploads/1/3/2/7/132740594/tapelap_kamiwotonuwis_zogonorune.pdf
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/bezeromebezusigel.pdf
- https://cdn.shopify.com/s/files/1/0431/6289/4498/files/57559928811.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81858120772.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4013/files/vinugeju.pdf
- https://cdn.shopify.com/s/files/1/0433/8027/7406/files/32709923770.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78214852322.pdf
- https://cdn.shopify.com/s/files/1/0430/7802/5377/files/kisolubatipudi.pdf
- https://cdn.shopify.com/s/files/1/0427/9740/0223/files/70531730461.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/rotibazudel.pdf
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/95197592152.pdf
- https://cdn.shopify.com/s/files/1/0434/9673/4880/files/39496258783.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40814320730.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_off00005e31.bin6d48db046a1e1e0dec98cb2c45dbdc0da48706602e6e0c4ddc7bc8781ddb77fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E31 | 5024 bytes |
font_01_sfnt_off00006f31.bin1601998811bdd84cce529a1d2259a37b30b5ebc6c501fe37ee0ed4f0c252924d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F31 | 13264 bytes |
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