MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a link to a kindergarten phonics book PDF. The PDF also features a link farm with numerous external PDF links, many hosted on Shopify, likely for SEO manipulation to increase visibility. The ML classifier strongly indicated maliciousness.
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=phonic+books+for+kindergarten+pdf
- http://files.daphnehocakedesign.com/uploads/1/3/1/8/131855992/6732900.pdf
- http://files.graysong.com/uploads/1/3/0/7/130739480/8824830.pdf
- http://files.clevelandburlesque.com/uploads/1/3/0/7/130738998/piwudip_lizogu_niwufoduzusonuj_zositugolob.pdf
- http://files.drmrocks.com/uploads/1/3/0/7/130740012/vejedemiviz.pdf
- https://cdn.shopify.com/s/files/1/0433/2729/1542/files/maxenarirok.pdf
- https://cdn.shopify.com/s/files/1/0435/9503/8888/files/negidawabepil.pdf
- https://cdn.shopify.com/s/files/1/0434/5095/7991/files/26690119234.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38140624907.pdf
- https://cdn.shopify.com/s/files/1/0430/9119/8112/files/9977586088.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28391359898.pdf
- https://cdn.shopify.com/s/files/1/0438/2385/7824/files/60646109963.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4650/files/93951768536.pdf
- https://cdn.shopify.com/s/files/1/0429/7749/3146/files/31886947062.pdf
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/xafidurotorijikalede.pdf
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/dabivizikivarikulesulut.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/
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/381
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007786.bin8a54caeeae191f16b22c07edcb0a984013f11e7bea509cfc3285b15b4eb2a17b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7786 | 5376 bytes |
font_01_sfnt_off000089b3.bin4645e14f70488438fcc0f4a720e621f40a0ea18c9a02ed93ce9701fdb6515973 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89B3 | 10260 bytes |
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