MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for linking to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=sql+tutorial+pdf+w3schools', indicating a lure to disguise malicious activity as a SQL tutorial. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. No scripts were extracted from this sample.
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.com/pify?keyword=sql+tutorial+pdf+w3schools
- http://files.messphotography.com/uploads/1/3/0/8/130873822/8395091.pdf
- http://gelot.kutyslab.org/uploads/1/3/2/8/132814930/e1f2523a1ef8.pdf
- http://files.islandhillfarm.ca/uploads/1/3/1/0/131070367/5972948.pdf
- https://cdn.shopify.com/s/files/1/0430/1009/7313/files/38207540285.pdf
- https://cdn.shopify.com/s/files/1/0452/6263/5168/files/gearbox_types.pdf
- https://cdn.shopify.com/s/files/1/0431/3183/0421/files/xodebotilos.pdf
- https://cdn.shopify.com/s/files/1/0432/1522/4996/files/lufikavumotuwabegusa.pdf
- https://cdn.shopify.com/s/files/1/0430/0803/2922/files/37629644290.pdf
- https://cdn.shopify.com/s/files/1/0433/4085/7494/files/aashto_standard_specifications.pdf
- https://cdn.shopify.com/s/files/1/0435/3176/3864/files/89472999267.pdf
- https://cdn.shopify.com/s/files/1/0428/3373/9932/files/61603374114.pdf
- https://cdn.shopify.com/s/files/1/0434/2117/1873/files/nelojenosovuviroramove.pdf
- https://cdn.shopify.com/s/files/1/0431/2812/7645/files/biochemistry_stoker.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 |
|---|---|---|---|
font_00_sfnt_off00005eff.binae1d8f33672fefcd3d3704f428532fbcaaff5edd04cac759616f31a8d5ec2ddd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EFF | 5728 bytes |
font_01_sfnt_off0000728c.bin37e44db4105b33fdad949f367a05cb3c348d22feb5b44363bfd5ca6cc2c4ba15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x728C | 10192 bytes |
font_02_sfnt_off0000959e.bin75fb5eda6c80430b94b20cb0daa906e0e98a9f633c3ecfcf71c743d7414a59fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x959E | 16076 bytes |
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