MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to 'Arabic joining letters worksheet pdf'. The presence of multiple external PDF links, including one hosted on Shopify, indicates a link farm strategy to potentially improve search engine ranking for malicious content or to distribute further payloads. The ML classifier strongly flagged this PDF as malicious.
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.com/pify?keyword=arabic+joining+letters+worksheet+pdf
- http://files.nomadicsteve.com/uploads/1/3/1/4/131437538/42cb4690f8.pdf
- http://files.mrstuckeysclass.com/uploads/1/3/2/8/132815791/lodiwepo.pdf
- http://files.atallamdshop.com/uploads/1/3/1/3/131379594/bemutugol-vunasevijipivo-sidutukome-kunafosonobisuf.pdf
- http://files.atallamdshop.com/uploads/1/3/1/3/131379594/bemutugol-vunasevijipivo-sid
- https://cdn.shopify.com/s/files/1/0436/1538/7811/files/26094324065.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32177526878.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/84186492548.pdf
- https://cdn.shopify.com/s/files/1/0434/7055/3250/files/57659761227.pdf
- https://cdn.shopify.com/s/files/1/0435/0597/5462/files/50544283310.pdf
- https://cdn.shopify.com/s/files/1/0430/8375/9765/files/xurepijazinajoriwuxize.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9874/files/tegedojuwusenexipijuk.pdf
- https://cdn.shopify.com/s/files/1/0434/0813/0197/files/daluled.pdf
- https://cdn.shopify.com/s/files/1/0440/8374/0822/files/biwejutimegiwevabaj.pdf
- https://cdn.shopify.com/s/files/1/0429/1733/1100/files/81605792184.pdf
- https://cdn.shopify.com/s/files/1/0431/5352/2850/files/9109568511.pdf
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/30614788671.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off000094cf.bin6530a9b8437d26e5abf30c67a93881f76ee55928dcee63111ac76a1f1b6d168d |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x94CF | 18556 bytes |
font_00_sfnt_off00006107.bin6aecf11a7307808ae15a2632baa6299f612363f2029c9bb936ba663f56ff564a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6107 | 5568 bytes |
font_01_sfnt_off000073f1.bine5f3b2234193a5cf660c886dcf6e83e145f109ad57e47ecc98c31103fba96437 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73F1 | 9536 bytes |
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