MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is embedded within the document body, disguised as a link to a book. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on 'cdn.shopify.com'. The ML classifier strongly indicates maliciousness. The primary attack pattern involves redirecting the user to a malicious site, likely for phishing or malware delivery.
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=counseling+and+therapy+skills+4th+edition+pdf
- http://files.kasubaworks.com/uploads/1/3/1/3/131379899/747306.pdf
- http://files.chiarracjoseph.net/uploads/1/3/2/6/132695582/bofomepozed_mipev_reseton_tibuwupefazuzib.pdf
- http://files.makeuphvney.com/uploads/1/3/0/9/130969371/9424135.pdf
- https://cdn.shopify.com/s/files/1/0444/1836/7654/files/c_form_application.pdf
- https://cdn.shopify.com/s/files/1/0430/5167/9898/files/twitter_archive_deleted_tweets.pdf
- https://cdn.shopify.com/s/files/1/0434/2834/8056/files/kexubininotovelof.pdf
- https://cdn.shopify.com/s/files/1/0430/8267/8439/files/statistical_data_analysis_for_the_physical_sciences.pdf
- https://cdn.shopify.com/s/files/1/0430/7730/4484/files/pavuxonavase.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdf
- https://cdn.shopify.com/s/files/1/0437/6127/0935/files/biceps_workout_at_gym.pdf
- https://cdn.shopify.com/s/files/1/0437/0874/3835/files/2638975986.pdf
- https://cdn.shopify.com/s/files/1/0433/6893/9672/files/94840098629.pdf
- https://cdn.shopify.com/s/files/1/0431/7813/1611/files/slayer_raining_blood_guitar.pdf
- https://cdn.shopify.com/s/files/1/0429/1218/6531/files/daborugilowif.pdf
- https://cdn.shopify.com/s/files/1/0437/9541/5189/files/12831785512.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_off00007636.bin6d836b9969901a1b3edc4022264463f9fde781691bd47d9b84f498da98e1ec63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7636 | 5460 bytes |
font_01_sfnt_off000088d1.binb33d48ecca6dbdef6826f66b67064123e00c55718ed1ee0ca112e76fa758fa24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88D1 | 10140 bytes |
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