MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, suggests a lure related to 'fiction reading comprehension worksheets', aiming to disguise the malicious intent. The presence of multiple links to external PDF files, some hosted on potentially compromised or low-reputation domains, further supports the malicious nature of this document.
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=fiction+reading+comprehension+worksheets+6th+grade
- http://files.partabcdeasyas123.com/uploads/1/3/1/4/131453982/e82abd02.pdf
- http://files.shopmylittleparty.ca/uploads/1/3/1/3/131398139/684c1be2103.pdf
- http://files.bongios-on-the-go.com/uploads/1/3/2/8/132814400/giregodub.pdf
- http://files.forgemd.com/uploads/1/3/1/6/131606056/tutizilemimaloxabot.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87277754858.pdf
- https://cdn.shopify.com/s/files/1/0433/8922/3066/files/difiluloxag.pdf
- https://cdn.shopify.com/s/files/1/0433/6808/7701/files/causas_y_consecuencias_del_acoso_escolar.pdf
- https://cdn.shopify.com/s/files/1/0431/2832/4257/files/butterfly_valve_working_principle.pdf
- https://cdn.shopify.com/s/files/1/0429/5933/9679/files/jepalurulenoturowebitelax.pdf
- https://cdn.shopify.com/s/files/1/0435/5178/5109/files/74822509055.pdf
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/pupolarinudakakedikad.pdf
- https://cdn.shopify.com/s/files/1/0432/2761/1300/files/48200568997.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/buxigol.pdf
- https://cdn.shopify.com/s/files/1/0429/4361/1036/files/d_d_5e_favored_soul.pdf
- https://cdn.shopify.com/s/files/1/0435/6443/3566/files/29255819051.pdf
- https://cdn.shopify.com/s/files/1/0438/2559/4530/files/1286890224.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_off00008adc.bin6012272f3c065a0b071f85dfc1a6ba8ed44e69bfb06799862a6f997c80fafbe1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8ADC | 5720 bytes |
font_01_sfnt_off00009e31.bin5edde9345cac4539c5fee6ac151f675afbbc94a4b986bee2a21a88a60a8f919a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E31 | 10088 bytes |
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