MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=passive+voice+past+simple+exercises+pdf+with+answers'. This indicates the document is designed to redirect users to potentially harmful sites. Additionally, a heuristic for a PDF link farm was triggered, suggesting a large number of outbound links, many hosted on cdn.shopify.com, which are likely part of a SEO poisoning or link farm strategy to attract victims. No scripts were extracted from this sample.
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.cc/pify?keyword=passive+voice+past+simple+exercises+pdf+with+answers In PDF document text
- http://files.carysjonesscenicpainter.com/uploads/1/3/1/6/131636644/bopigadulolemi_debif.pdfIn PDF document text
- http://files.hypnomads.com/uploads/1/3/1/3/131380008/kijenopun-fekufedekaparub-rotivoda-xupanotagexinaj.pdfIn PDF document text
- http://files.abby-humphreys.com/uploads/1/3/1/3/131398221/4202270.pdfIn PDF document text
- http://files.fmacademy.com.au/uploads/1/3/0/7/130776445/bamagi.pdfIn PDF document text
- http://files.makinglandscapes.net/uploads/1/3/2/6/132681210/7d549c3701957.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/1/0433/9033/7189/files/65269676232.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/povumad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3286/1079/files/are_the_spore_servers_down.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/sifizubowobaserotajonixub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3082/1529/files/20054211125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5838/0446/files/2552608715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8249/8716/files/bametani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vejumilaro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7997/4556/files/monenasafepewas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5488/3231/files/waxolufoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1070/9915/files/knuth_morris_pratt.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8039/1583/files/zerukasewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3349/3655/files/69332854103.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_off00005391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5391 | 5616 bytes |
SHA-256: 3ca5b5f865cabe986c8e5696233001b846eab98bfaad37bff8da897700ba08bc |
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font_01_sfnt_off0000669b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x669B | 9964 bytes |
SHA-256: f497808852adb6264d293728dbca54c8b7da367459e50cd9367aa4251d7a71e9 |
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