MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates a PDF link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=hungry+caterpillar+writing+sheets'. The document body, though partially corrupted, contains text related to 'Hungry caterpillar writing sheets' and the malicious URL, suggesting a social engineering lure. No scripts were extracted, but the presence of numerous links and the malicious redirector strongly indicate a phishing or redirection attempt.
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.ru/pify?keyword=hungry+caterpillar+writing+sheets
- http://sikajasif.workingwordsproductions.com/uploads/1/3/2/7/132710714/6834442.pdf
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/51855077048.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80884551140.pdf
- https://cdn.shopify.com/s/files/1/0431/8973/1479/files/47484600131.pdf
- https://cdn.shopify.com/s/files/1/0428/0002/1667/files/78174726061.pdf
- https://cdn.shopify.com/s/files/1/0437/5350/4917/files/rabujevirupuguvulisobome.pdf
- https://cdn.shopify.com/s/files/1/0432/2564/5211/files/95534150159.pdf
- https://cdn.shopify.com/s/files/1/0438/8149/6744/files/apa_guidelines_6th_edition_referencing.pdf
- https://cdn.shopify.com/s/files/1/0447/1622/8761/files/power_glove_terraria.pdf
- https://cdn.shopify.com/s/files/1/0432/1126/0062/files/fonevalosud.pdf
- https://cdn.shopify.com/s/files/1/0431/4241/4487/files/logical_reasoning_practice_questions_for_cat.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/15480607453.pdf
- https://cdn.shopify.com/s/files/1/0431/7410/1149/files/23627946887.pdf
- https://cdn.shopify.com/s/files/1/0432/1050/6404/files/fixakupupov.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_off00005f6e.bin42987e37c33e2a6b4c3ccfc5e07a0d9cba4ca271ed4d055cdf04c115b26c73de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6E | 5124 bytes |
font_01_sfnt_off000070dd.bine77a8df9f0b2b0a44b2b48ef4329d0fee778fb8f41b55cae6e809343606492b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70DD | 10580 bytes |
font_02_sfnt_off0000950e.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x950E | 4324 bytes |
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