MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector at https://ttraff.ru/pify?keyword=bird+box+book+pdf. The document body, though heavily obfuscated, contains text related to "bird box book pdf", suggesting a lure to entice users to click the malicious link. The presence of a large number of external PDF links also indicates a link farm, likely for SEO poisoning or traffic generation to the malicious redirector.
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.ru/pify?keyword=bird+box+book+pdf
- http://zodef.marblemoonfarm.com/uploads/1/3/2/3/132303382/7341003.pdf
- http://files.sacredtransitionsintegrativehealing.com/uploads/1/3/1/6/131606284/74f3a533f1.pdf
- https://cdn.shopify.com/s/files/1/0428/3724/6118/files/90408673386.pdf
- https://cdn.shopify.com/s/files/1/0430/9932/4580/files/32235168551.pdf
- https://cdn.shopify.com/s/files/1/0431/0132/3421/files/waldorf_curriculum.pdf
- https://cdn.shopify.com/s/files/1/0431/9546/5892/files/buvedivuburejozatumoset.pdf
- https://cdn.shopify.com/s/files/1/0433/9289/3093/files/12_volt_car_battery_charger_circuit_diagram.pdf
- https://cdn.shopify.com/s/files/1/0429/3564/8409/files/27039678243.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/48453103005.pdf
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/22722647195.pdf
- https://cdn.shopify.com/s/files/1/0437/3463/0554/files/2979123971.pdf
- https://cdn.shopify.com/s/files/1/0431/7259/3832/files/bmp_to_convert_i_love.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_off00006483.bin655492ea788ba5def0c259802ca8c86ad7fe4a7948340fb7c23da62b43a75938 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6483 | 4936 bytes |
font_01_sfnt_off00007563.bin64ead9ee5350048e5236406efa7091b42456f24a5cad0562d485f8e5ab093e3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7563 | 10400 bytes |
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