MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=ielts+test+pdf+with+answers'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The file also contains a PDF link farm heuristic, indicating a large number of external links, many of which are hosted on Shopify. The primary malicious URL is the most critical IOC.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.cc/pify?keyword=ielts+test+pdf+with+answers In PDF document text
- http://files.recoveringfromdomesticviolence.com/uploads/1/3/0/9/130969440/noropanit.pdfIn PDF document text
- http://files.gabiroach.com/uploads/1/3/2/7/132741149/pobajopobepobod.pdfIn PDF document text
- http://files.theconsciouscosmetologist.com/uploads/1/3/0/7/130739247/jojijowome.pdfIn PDF document text
- http://files.friendchristianassembly.com/uploads/1/3/0/7/130775916/sifurob.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/1/0433/0687/7080/files/38970143778.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6787/5228/files/fewizezex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8863/4266/files/poroxogolusirodum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0776/1819/files/72335500520.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3791/7345/files/26167254191.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7946/7162/files/judusowomapowotiwatuguji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/bevaribigefisekuwutaviti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bibekejufalakudogaloseja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9875/8557/files/91427523949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5765/9547/files/78485839120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1889/5010/files/9389908441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5312/files/8531168157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/2206959881.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000727f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x727F | 4836 bytes |
SHA-256: 02ebb1232d2c27967f528ca90f1ddac23a99a6c11e94c34abdfea01e8b6414d2 |
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font_01_sfnt_off000082e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E3 | 10312 bytes |
SHA-256: 1976bbf2f7cc8c736642339f70dc8fc2efc55f3a3b29b12498ac938b66a24767 |
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