MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains a deceptive document body masquerading as IELTS speaking topics, which is a common lure for phishing or malware distribution. It embeds numerous links, including a critical redirector link to 'ttraff.com', indicating an attempt to lead users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility and traffic to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=ielts+speaking+topics+2020+may+to+august+pdf In PDF document text
- http://files.hethermilane.com/uploads/1/3/1/4/131453735/sorumenudoboxasugilo.pdfIn PDF document text
- http://files.oakislandhomeowners.org/uploads/1/3/2/6/132695351/denoloninanupe.pdfIn PDF document text
- http://files.behavioralcompassgroup.com/uploads/1/3/1/4/131453818/raremez.pdfIn PDF document text
- http://files.cronfaglyndwr.cymru/uploads/1/3/0/7/130739072/nibiripuno_raxitawo_mofaxiduwag_wifowukom.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1501/2511/files/62767515635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4897/6032/files/fuvivopezomirowax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/19871010585.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7082/5382/files/pdf_biology_class_11_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6886/6208/files/plastic_memories_episode_1_gogoanime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9903/7595/files/15357527457.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/wujafe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7962/1026/files/71887872818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5901/9933/files/10369895067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/71208413031.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
🗂 Part of campaign:
behavioralcompassgroup.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000083d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D6 | 5756 bytes |
SHA-256: 1f406b8750ef67559eafa5a75918344b5f22a09a26643d08a9e9cad5b6549de4 |
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font_01_sfnt_off00009778.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9778 | 10296 bytes |
SHA-256: 91dd5ec96cea370ae0a84c20fbb340d06a26640320e93ecd8a04357a80df467a |
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