MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text suggesting it is an 'alphabet activity book pdf', likely a lure to encourage clicks on the embedded links. The presence of a link farm and a malicious redirector indicates an attempt to drive traffic to malicious infrastructure.
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=alphabet+activity+book+pdf
- http://vitofa.dumlavwalla.com/uploads/1/3/1/4/131409090/c1751d5e9dda.pdf
- http://files.sundanceretrievers.com/uploads/1/3/0/7/130740065/ea06de436e3771f.pdf
- http://files.lifestarbrokerage.com/uploads/1/3/0/9/130969633/bf506a5f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9832/5663/files/xujolikezopusarafibukugej.pdf
- https://cdn.shopify.com/s/files/1/0431/8127/7352/files/gesixuzag.pdf
- https://cdn.shopify.com/s/files/1/0439/4775/3640/files/74560479484.pdf
- https://cdn.shopify.com/s/files/1/0437/3485/9930/files/al_quran_english.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/kivurogelafed.pdf
- https://cdn.shopify.com/s/files/1/0432/8911/6836/files/80172398541.pdf
- https://cdn.shopify.com/s/files/1/0433/2696/3865/files/goteporinurepotex.pdf
- https://cdn.shopify.com/s/files/1/0434/8212/0357/files/18730910048.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2469/files/migedeluve.pdf
- https://cdn.shopify.com/s/files/1/0450/8542/5829/files/uud_setelah_amandemen.pdf
- https://cdn.shopify.com/s/files/1/0428/6113/3990/files/24551953213.pdf
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/wavupemat.pdf
- https://cdn.shopify.com/s/files/1/0432/8108/8670/files/abstract_test_practice.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005385.bin9d6d6e6a8c15e233da3d6af17328a0960beab10fb5f4a5e74514d1113a10ebdb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5385 | 5324 bytes |
font_01_sfnt_off000065ad.bin798044ef8fc0daf067cf9b94d5424d6d5241b6ae1c9bcd86e28e0cdd22d8b2b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65AD | 10532 bytes |
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